Knowledge Tree
water
synthesized from dimensionsWater is a fundamental chemical substance and a critical environmental medium that sustains biological life and shapes physical ecosystems. At its core, water acts as the essential solvent for life, facilitating the transport of nutrients and minerals within organisms. In the context of plant physiology, water is a primary requirement for growth, enabling the absorption of minerals and enhancing disease resistance. While light is often prioritized as the most significant external factor for plant development, water remains an indispensable component of the photosynthetic process, where plants convert carbon dioxide and water into glucose using light energy.
The movement of water within vascular plants is managed through specialized structures such as the xylem, which transports water and minerals from the roots to the shoots. Beyond internal transport, plants play a pivotal role in the global hydrological cycle by managing water fluxes between the land and the atmosphere. In hot regions, plants transpire large amounts of water to facilitate cooling, a process whose rate is determined by specific calculations involving water vapor pressures. This constant exchange underscores the importance of water as a regulatory mechanism for both individual organisms and broader climatic conditions.
The physical properties of water exert significant influence on the evolution and behavior of aquatic organisms. Because water is over 700 times denser than air, it imposes unique mechanical constraints that have driven distinct biological adaptations. For instance, species such as the stellar sea lion have evolved streamlined bodies to navigate this dense medium efficiently. Furthermore, the thermal properties of water necessitate specialized survival strategies; animals like sea otters rely on thick fur to maintain homeostasis in cold waters.
Water also functions as a primary driver of ecological structure and niche differentiation. Competition for water, often in conjunction with sunlight, dictates the distribution of species and the composition of habitats. In agricultural systems, the synergy between water, sunlight, and nutrients is the foundational requirement for crop production. By serving as both a biological necessity and a physical force, water remains a central pillar of environmental science, influencing everything from cellular metabolic pathways to the large-scale movement of moisture across the planet.
Model Perspectives (1)
openrouter/x-ai/grok-4.1-fast 75% confidence
Water serves as a vital environmental factor and biological medium, particularly in plant physiology and ecology. According to Frontiers research, water is key for plant growth, enabling mineral absorption and enhancing disease resistance, though light is deemed more significant than water among external factors. In photosynthesis, plants convert carbon dioxide and water into glucose using light energy, as described by Australian Herbal Insight and authors like Ibrahim B. E. El Bashir. Xylem transports water and minerals from roots to shoots in vascular plants (Frontiers). Plants manage water fluxes between land and atmosphere and transpire large amounts in hot regions for cooling (Nature), with transpiration rate calculated via formula involving water vapor pressures. Competition for water alongside sunlight drives niche differentiation (Bio4Climate), and crops require water with sunlight and nutrients for production (iBiology; Herrera-Estrella). Physically, water is over 700 times denser than air (Nature), shaping adaptations like stellar sea lions' streamlined bodies for water movement (Riedman 1991, Nature). Sea otters use thick fur in cold waters (Nature).
Facts (148)
Sources
Hypothetical types of biochemistry - Wikipedia en.wikipedia.org 49 facts
claimWater supports the evolution of aerobic aquatic life because it allows for high solubility of oxygen and carbon dioxide at room temperature.
claimWater is a combustion product of hydrogen and oxygen, meaning it does not combust in oxygen, unlike many alternative solvents which are unstable in oxygen-rich atmospheres.
claimAmmonia is a potential alternative solvent to water for life because it is a polar molecule and is cosmically abundant.
claimAmmonia is a stronger nucleophile than water, being more inclined to accept an H+ ion and less inclined to donate one.
claimAs of 2026, all known Earth-based life forms utilize carbon compounds for structural and metabolic functions, water as a solvent, and DNA or RNA to control their form.
claimSilanes, which are silicon analogues to alkanes, react rapidly with water, and long-chain silanes spontaneously decompose.
claimWater is the combustion product of hydrogen and oxygen, rendering it non-combustible in oxygen-rich environments, whereas many alternative solvents are unstable in such conditions.
claimWater is spectroscopically transparent, allowing solar radiation to penetrate several meters into the liquid or solid, which aids the evolution of aquatic life.
claimWater acts as a stronger solvent than hydrocarbons, which facilitates the transport of substances within a cell.
claimWater functions as an acid when added to liquid ammonia, increasing the concentration of the ammonium cation.
claimNon-polar hydrocarbon solvents, such as methane and ethane, are potential alternatives to water for life and are known to exist in liquid form on the surface of Titan.
claimAmmonia and ammonia–water mixtures remain liquid at temperatures far below the freezing point of pure water, making them potentially suitable for life on planets and moons outside the water-based habitability zone, such as under the surface of Saturn's moon Titan.
claimWater is a room-temperature liquid that supports a large population of quantum transition states, whereas cryogenic liquids like methane have lower transition state populations, potentially leading to reaction rates too slow to support life.
claimLiquid ammonia is a potential alternative solvent for life because it is relatively abundant in the universe and shares chemical similarities with water.
claimJoop M. Houtkooper and Dirk Schulze-Makuch proposed a hypothesis in 2007 regarding the potential for hydrogen peroxide (H2O2) and water (H2O) mixtures to support extremophiles on Mars.
claimAmmonia has weaker hydrogen bonds than water, resulting in a heat of vaporization half that of water and a surface tension one-third that of water, which reduces its ability to concentrate non-polar molecules through a hydrophobic effect.
claimAmmonia functions as an Arrhenius base when added to water, increasing the concentration of the hydroxide anion.
claimWater supports the evolution of aerobic aquatic life due to its high solubility of oxygen and carbon dioxide at room temperature.
claimWater functions as an acid when added to liquid ammonia, increasing the concentration of the ammonium cation.
claimHydrogen fluoride forms hydrogen bonds with neighboring molecules, similar to water and ammonia.
claimWater's high heat capacity contributes to environmental temperature stability.
claimAmmonia is a stronger nucleophile than water, as it is more inclined to accept an H+ ion and less inclined to donate one.
measurementThe free energy of formation of liquid water is -237.24 kJ/mol, which contributes to its thermodynamic stability.
claimIt has been proposed that life on Mars may exist using a mixture of water and hydrogen peroxide as a solvent.
claimSteven Benner's polyelectrolyte theory of the gene asserts that for a genetic biopolymer such as DNA to function in water, it requires repeated ionic charges.
claimHydrogen fluoride is cosmically rare compared to water, ammonia, and methane.
claimWater is chemically reactive and can break down large organic molecules through the process of hydrolysis.
claimLiquid ammonia is chemically similar to water, can dissolve most organic molecules and many elemental metals, and contains chemical analogues to water-related compounds, such as the amine group (−NH2) being analogous to the hydroxyl group (−OH).
claimSilanes, which are silicon analogues to alkanes, react rapidly with water, and long-chain silanes spontaneously decompose.
claimAmmonia functions as an Arrhenius base when added to water, increasing the concentration of the hydroxide anion.
claimWater's status as a room-temperature liquid allows for a large population of quantum transition states, whereas cryogenic liquids like methane have lower transition state populations that may result in reaction rates too slow to support life.
claimWater's spectroscopic transparency allows solar radiation to penetrate several meters into the liquid, which aids the evolution of aquatic life.
claimWater's chemical complexity, including acid–base chemistry, hydrogen bonding, and van der Waals bonding, provides numerous pathways for evolution, whereas many other solvents have fewer possible reactions.
claimAmmonia (NH3) forms the amide anion (NH2−) when it donates an H+ ion, which is analogous to the hydroxide anion (OH−) formed by water.
claimWater has a high heat capacity, which leads to higher environmental temperature stability.
claimScientists debate the effectiveness of methane and other hydrocarbons as a solvent for life compared to water or ammonia.
claimAmmonia can accept or donate an H+ ion, and when it accepts an H+, it forms the ammonium cation (NH4+), which is analogous to the hydronium ion (H3O+) formed by water.
claimAcrylonitrile is predicted to have stability and flexibility in liquid methane comparable to that of a phospholipid bilayer in liquid water, potentially allowing it to form cell membranes known as azotosomes.
claimThe tendency of water molecules to form strong hydrogen bonds can interfere with the internal hydrogen bonding required by complex organic molecules.
claimHydrogen sulfide is the closest chemical analog to water, though it is less polar and a weaker inorganic solvent.
claimAmmonia is a hypothetical alternative to water as a biological solvent because it is a polar molecule and is cosmically abundant.
claimWater ice has a lower density than liquid water, which causes ice to float and prevents bodies of water from freezing solid from the bottom up.
claimWater possesses a high heat of vaporization, which contributes to the existence of stable lakes and oceans.
claimWater maintains a liquid state over a large temperature range, which is a property important for life processes.
claimWater's chemical complexity facilitates numerous reaction pathways, including acid–base chemistry, H+ cations, OH− anions, hydrogen bonding, van der Waals bonding, dipole–dipole interactions, aqueous solvent cages, and hydrolysis.
claimWater has a high heat of vaporization, which allows for the existence of stable lakes and oceans.
claimHydrogen sulfide is a chemical analog of water, though it is less polar and a weaker inorganic solvent, making it a candidate for alternative biochemistry.
measurementAmmonia has weaker hydrogen bonds than water, resulting in a heat of vaporization half that of water and a surface tension one-third that of water, which reduces its ability to concentrate non-polar molecules through a hydrophobic effect.
measurementA 61.2% (by mass) mixture of water and hydrogen peroxide has a freezing point of −56.5 °C, tends to super-cool rather than crystallize, and is hygroscopic.
Alternative Biochemistries: Speculations about Strange Possibilities pressbooks.cuny.edu 13 facts
claimChemical compounds that are liquid over the largest range of temperatures are typically polar molecules similar to water and are generally liquid at temperatures exceeding 200 K.
claimWater is known as the "universal solvent" because its charge differential allows it to easily pull compounds apart and dissolve chemicals.
claimWhen water freezes into ice, it forms an organized lattice where positively-charged hydrogen atoms align with negatively-charged oxygen atoms.
formulaWater (H2O) consists of one oxygen atom and two hydrogen atoms.
measurementThe average organism is composed of 70% or more water by weight.
claimWater molecules form hydrogen bonds with one another, which helps water remain liquid over a greater range of temperatures.
claimWater molecules are polar because electrons spend more time near the oxygen atom, giving the oxygen a slightly negative charge and the hydrogen atoms a slightly positive residual charge.
claimIce serves as a protective barrier for the water underneath by blocking potentially damaging radiation and cooling water to stabilize certain compounds.
claimWater is considered essential to life because it is present wherever life is found and life is present wherever water is found.
claimCompounds containing multiple silicon atoms have bonds that are easily disrupted by water.
claimWater is observed to be a common chemical compound throughout the universe.
claimWater assists in the folding of proteins by causing amino acids with nonpolar side chains to fold inside more water-friendly side chains.
claimWater's polarity facilitates organic chemistry by grouping nonpolar molecules together and enabling the self-assembly of phospholipid structures.
Ecologists Study the Interactions of Organisms and Their Environment nature.com 7 facts
referenceOrganisms have the power to change the environment by altering stocks and flows of water, energy, and elements at both small and large scales, according to research by Beerling (2007) and Morton (2008).
claimIn hot regions, plants protect themselves from heat by transpiring large amounts of water, maximizing airflow through their foliage, or entering dormancy until temperatures cool.
claimPlant life controls a large fraction of energy and water fluxes between land and the atmosphere.
measurementWater is more than 700 times denser than air.
claimStellar sea lions (Eumetopias jubatus) have developed streamlined bodies to move efficiently through water, which reduces their speed on land, as noted by Riedman (1991).
claimSea otters (Enhydra lutris) rely on unusually thick fur to retain heat while swimming in cold waters.
claimStellar sea lions sleep on shore but hunt for food primarily in the water to optimize their speed.
Human body | Organs, Systems, Structure, Diagram, & Facts britannica.com 8 days ago 5 facts
claimWater serves as a solvent in the human body, enabling the chemical reactions necessary for life.
claimThe human body is chemically composed primarily of water and organic compounds, specifically lipids, proteins, carbohydrates, and nucleic acids.
measurementThe human body is approximately 60 percent water by weight.
claimWater is located within the human body in extracellular fluids, including blood plasma, lymph, and interstitial fluid, as well as within the cells themselves.
claimWater is found in the extracellular fluids of the human body, including blood plasma, lymph, and interstitial fluid, as well as within the cells themselves.
Moving Forward on the Problem of Consciousness - David Chalmers consc.net 5 facts
claimDavid Chalmers contrasts the conceivability of a world without consciousness with worlds without life, genes, or water, noting that the latter are not remotely conceivable.
claimThe fact that DNA is a gene and the fact that H2O is water can be derived from physical facts if one possesses the relevant concepts.
claimDavid Chalmers contends that in cases like water or life, low-level facts imply high-level facts without requiring primitive identity statements, whereas consciousness requires a primitive identity of a different kind.
claimIn cases such as genes and water, the implication from micro-level facts to macro-level facts is a priori, meaning one only needs a grasp of the meaning of the concepts to derive the facts.
claimDavid Chalmers argues that analogies comparing consciousness to water or life are irrelevant because they reverse the direction of explanation, which in reductive explanation must proceed from micro to macro.
Recent breakthroughs in the valorization of lignocellulosic biomass ... pubs.rsc.org Jun 7, 2025 5 facts
claimA sensitivity analysis using a Random Forest model determined that water and cement proportions are the key factors influencing the compressive strength of reinforced concrete, while the addition of coarse aggregates negatively affects compressive strength.
measurementScioti et al. produced artificial construction blocks from stone waste by varying the amounts of sludge, water, cement, and compaction pressure, achieving compressive strengths ranging from 13.12 to 29.9 N mm−2, which met the threshold required for building construction.
procedureHempcrete is prepared by mixing hemp fibers with water, cement, and lime.
referenceY. W. Mai, M. I. Hakeem, and B. Cotterell studied the effects of water and bleaching on the mechanical properties of cellulose fibre cements in a 1983 paper published in the Journal of Materials Science.
claimResearchers investigated a 233-sample database of cement-based materials, varying the proportions of cement, water, superplasticizers, silica fume, sand, and hydroxypropyl methylcellulose.
The role of light in regulating plant growth, development and sugar ... frontiersin.org Jan 6, 2025 4 facts
claimLight acts as an environmental factor that regulates plant growth and development in conjunction with other factors such as water, salinity, and temperature.
claimLight is the most significant external environmental condition affecting plant growth and development compared to temperature, gravity, water, and minerals.
claimPhotosynthesis is the process by which plants use light energy to convert carbon dioxide and water into organic matter and oxygen, consisting of a light reaction and a dark reaction.
claimWater is a key factor for plant growth and survival, facilitating the absorption of essential minerals and nutrients from the soil, and proper water use can increase a plant's resistance to disease.
7 Major Organ Systems: Functions and Connections instituteofhumananatomy.com Nov 23, 2025 3 facts
claimThe large intestine, also known as the colon, primarily absorbs water from undigested material and compacts it into solid waste for elimination.
claimAntidiuretic hormone (ADH) assists the kidneys in conserving water during states of dehydration.
claimThe kidneys regulate blood volume and pressure by controlling the amount of water the body reabsorbs.
Hard problem of consciousness - Wikipedia en.wikipedia.org 3 facts
claimThe identity 'water is H₂O' was discovered empirically but is deducible a priori within the framework of ideal conceivability.
perspectiveJoseph Levine contends that full scientific understanding will not close the explanatory gap, and that analogous gaps do not exist for other identities in nature, such as the relationship between water and H2O.
perspectiveNed Block and Robert Stalnaker argue that while facts about conscious experience cannot be deduced from physiological facts, similar gaps of knowledge exist in other natural cases, such as the distinction between water and H2O.
4.2: Homeostasis and Feedback Loops - Biology LibreTexts bio.libretexts.org Feb 28, 2021 2 facts
claimCellular respiration in muscles produces carbon dioxide and water as waste products, which must be eliminated to maintain fluid and pH balance in the body.
claimIncreased breathing and heart rates during exercise facilitate the elimination of carbon dioxide and excess water produced by cellular respiration.
Beyond Carbon-Based Life: Exploring Alternative Biochemistries in ... walshmedicalmedia.com 2 facts
Measurement of diets that are healthy, environmentally sustainable ... frontiersin.org 2 facts
procedureThe research team developed 12 categories for environmental outcomes: climate change, land, water, energy, nitrogen or phosphorus, toxicity, eutrophication, composite environmental indicator, acidification, biodiversity, air pollution, or other.
claimIt is widely accepted that current food systems negatively impact ecological foundations, including land, water, and biodiversity.
The 4 Stages of Wound Healing and Your Role in the Process essentiahealth.org Aug 27, 2025 2 facts
claimThe American Academy of Nutrition and Dietetics states that a balanced, healthy diet containing protein, water, fruits, and vegetables may assist in the healing of wounds.
procedureTo support the wound healing process, patients should: (1) schedule follow-up visits with their surgeon to check progress, (2) keep the wound clean and follow specific instructions for changing dressings, (3) avoid picking or scratching the surgical site to prevent scarring and delays, (4) maintain a healthy diet with protein, water, fruits, and vegetables, and (5) contact the surgical team if signs of infection appear.
A critical review of industrial fiber hemp anatomy, agronomic ... bioresources.cnr.ncsu.edu 2 facts
Nutrient sensing, signaling and transport in plants - Frontiers frontiersin.org 2 facts
claimIn vascular plants, xylem transports water and minerals from roots to shoots, while phloem delivers carbon compounds, amino acids, and RNAs from photosynthetically active cells to developing tissues.
claimIn vascular plants, xylem transports water and minerals from roots to shoots, while phloem delivers carbon compounds, amino acids, and RNAs from photosynthetically active cells to developing tissues.
Cybersecurity Trends and Predictions 2025 From Industry Insiders itprotoday.com 2 facts
claimNation-state sponsored cyberattacks targeting critical infrastructure can cause severe consequences, including disruptions to acute care facilities, hospitals, and the supply of water, food, energy, and communication services to the general population.
claimAdversarial nation-states, including Russia, China, and Iran, sponsor malicious actors who conduct reconnaissance to identify vulnerabilities in critical infrastructure sectors such as healthcare, water, energy, and telecommunications.
Health and environmental impacts of diets worldwide globalnutritionreport.org 2 facts
claimAnimal-based foods generally have higher greenhouse gas emission footprints than plant-based foods because they generate direct emissions from manure and digestion, as well as indirect emissions from feed production which requires significant land, water, and fertilizer resources.
claimFood production utilizes substantial and rising amounts of environmental resources, specifically land, water, and nitrogen- and phosphorus-containing fertilizers.
Does Life Need to Be Carbon-Based? - Reasons to Believe reasons.org Oct 28, 2016 2 facts
claimCarbon provides the chemical diversity required for life by reacting with oxygen, hydrogen, nitrogen, phosphorus, sulfur, and various metals within the temperature range where water is liquid.
measurementAt 60 atm of pressure, ammonia is liquid over a similar temperature range as water at normal pressure.
Sustainable Energy Transition for Renewable and Low Carbon Grid ... frontiersin.org Mar 23, 2022 2 facts
claimNitrous oxide (N2O) has the highest individual and average global warming potential, followed by methane and carbon dioxide, while water has no global warming potential.
measurementWater has a global warming potential (GWP) of 0, while Chlorofluorocarbon-12 has a GWP of 8,500 and Chlorofluorocarbon-11 has a GWP of 5,000.
Systems and organs | Anatomy and Physiology | Research Starters ebsco.com 2 facts
What causes chronic inflammation, and why it matters health.osu.edu Jan 13, 2025 2 facts
Homeostasis and Feedback Loops | Anatomy and Physiology I courses.lumenlearning.com 1 fact
claimDuring cellular respiration, human muscles produce carbon dioxide and water as waste products, which the body eliminates through increased breathing and heart rates to maintain fluid and pH balance.
Editorial: Local, traditional and indigenous food systems in the 21st ... frontiersin.org 1 fact
claimSubstituting typical Iranian dietary intake with optimal diets from other food-based dietary guidelines (FBDGs) could lead to significant reductions in environmental footprints (water, carbon, and land) and costs.
Indigenous Foods - National Indian Council on Aging nicoa.org 1 fact
claimThe National Indian Council on Aging recommends drinking several glasses of water daily and consuming tea and coffee without sugar.
Implications of the Western Diet for Agricultural Production, Health ... frontiersin.org 1 fact
claimProcessed food production generates high greenhouse gas emissions, accelerates land-use change to support agriculture and intensive livestock activities, and requires large amounts of water and agrochemicals.
Comprehensive Overview on the Present State and Evolution of ... link.springer.com Aug 9, 2024 1 fact
referenceNaderipour et al. (2021) assessed the carbon footprint associated with transportation, electricity, water, and waste generation, advocating for the utilization of renewable energy sources.
The Conscious Mind - Wikipedia en.wikipedia.org 1 fact
claimDavid Chalmers argues that conceivability can inform logical possibility, using the example that it is inconceivable for the properties of H2O to remain the same while the properties of water change, as facts about H2O explain everything about water.
The latest in biomaterials research - World Bio Market Insights worldbiomarketinsights.com Aug 20, 2025 1 fact
claimResearchers in China modified sphagnum moss into a biobased adsorbent capable of removing oil from water, which reportedly offers higher adsorption capacity and reusability compared to previous biobased options.
Business ecosystems as a way to activate lock-in in business models link.springer.com Mar 28, 2025 1 fact
claimDeregulation of goods and services sectors like electricity, water, and airlines, combined with market harmonization efforts such as NAFTA in the EU and North America, facilitated the rise of global markets, as noted by Olivier Blanchard and Francesco Giavazzi (2003).
Panpsychism - Wikipedia en.wikipedia.org 1 fact
claimPanprotopsychism posits that lower-level facts are sufficient to explain higher-order facts because the former logically entail the latter, similar to how H2O molecules logically entail facts about water.
Resolving the evolutionary paradox of consciousness link.springer.com Apr 1, 2024 1 fact
claimThe coolness or warmness of color feelings is likely due to implicit learned associations, where warm-feeling colors (yellows, reds, oranges) are associated with sunlight and fire, and cool-feeling colors (blues and greens) are associated with shadow and water.
David Chalmers - Wikipedia en.wikipedia.org 1 fact
claimIn the twin Earth thought experiment, the primary intension of the word "water" allows it to refer to a substance other than H2O in a hypothetical world where the chemical composition differs.
Panpsychism - Stanford Encyclopedia of Philosophy plato.stanford.edu Jul 18, 2017 1 fact
claimEmpedocles favored a reductionist account of reality based on the doctrine of four elements: earth, air, fire, and water.
Compendium Vol. 5 No. 1: The ecological role of native plants bio4climate.org 1 fact
claimCompetition for sunlight, water, and nutrients drives niche differentiation, which allows species to occupy specific spaces or timing within an ecosystem to access limited resources.
Evolutionary psychology - Wikipedia en.wikipedia.org 1 fact
claimAnimals learn most easily when tasks resemble problems faced in their evolutionary past, such as a rat learning to locate food or water.
Dualism (Stanford Encyclopedia of Philosophy/Winter 2016 Edition) plato.stanford.edu Aug 19, 2003 1 fact
claimThe reduction of water to H2O is an example of a true type reduction outside of psychology, where the term 'water' can be replaced by 'H2O' without losing information.
An In-Depth Analysis of the Photosynthesis Process, Its Mechanisms ... publishing.emanresearch.org 1 fact
claimPhotosynthesis is the fundamental process that enables plants to convert light energy into chemical energy, converting carbon dioxide and water into glucose and oxygen.
Healthy vs. Infected Wounds: A Clinician's Guide - Net Health nethealth.com Jun 24, 2025 1 fact
procedureThe procedure for cleaning healthy wounds involves rinsing the wound with clean, running water or a sterile saline solution to remove debris, while avoiding harsh antiseptics like hydrogen peroxide or rubbing alcohol which can damage healthy tissue and delay healing.
Panpsychism (Stanford Encyclopedia of Philosophy/Fall 2015 Edition) plato.stanford.edu May 23, 2001 1 fact
claimEmpedocles proposed an emergentist account of qualities based on the ratios of four elements: earth, air, fire, and water.
Actar Publishers actar.com 1 fact
referenceMatyas Gutai authored the book 'Trans Structures: Fluid Architecture and Liquid Engineering', which proposes using water as a building material for responsive structures and sustainable design.
The cross-cultural study of mind and behaviour: a word of caution link.springer.com Apr 8, 2022 1 fact
accountNgöbe informants explain agency attributions by citing observable interactions, such as interpreting plants as thinking because they grow toward sunlight or the sun communicating with water.
Plant Nutrition and Sustainable Agriculture - iBiology ibiology.org 1 fact
claimCrop plants require sunlight, carbon dioxide, water, and approximately 50 inorganic nutrients to achieve maximal food production.
Global perspectives on energy technology assessment and ... link.springer.com Oct 30, 2025 1 fact
claimRenewable energy is derived from naturally occurring sources such as sunshine, wind, and water.
Panpsychism - Stanford Encyclopedia of Philosophy plato.stanford.edu May 23, 2001 1 fact
claimEmpedocles proposed an emergentist account of the world based on the doctrine of four elements: earth, air, fire, and water.
Phytochemical and Pharmacological Studies of Traditionally Used ... heraldopenaccess.us 1 fact
measurementThe nutritive content per 100g fresh weight of Ocimum basilicum Linn. includes 28.84g carbohydrate, 0.64g fat, 3.15g protein, and 92.06g water.
Carbon may not be the only basis for life. Look for silicon, too bigthink.com Jul 1, 2022 1 fact
claimElemental silicon is unsuitable for life on Earth because it oxidizes into silicates when exposed to atmospheric oxygen or liquid water.
Sources of Knowledge: Rationalism, Empiricism, and the Kantian ... press.rebus.community 1 fact
claimThe statement 'Water is H20' is an example of a posteriori knowledge.
Homeostasis: The Underappreciated and Far Too Often ... - Frontiers frontiersin.org 1 fact
referencePre-Socratic Greek philosophers, including Thales, speculated that all matter was composed of various combinations of four key elements: earth, air, fire, and water, which Hall (1975) identifies as the earliest glimmerings of reductionist thought.
Consciousness (Stanford Encyclopedia of Philosophy/Fall 2025 ... plato.stanford.edu Jun 18, 2004 1 fact
claimType-type identity theory defines mental properties as identical to physical properties, similar to how the property of being water is identical to the property of being composed of H2O molecules.
A Scoping Review of Indicators for Sustainable Healthy Diets frontiersin.org Jan 12, 2022 1 fact
claimIndicators of environmental costs in diet assessment include cost benefits related to environmental improvements, the cost of total environmental impact of diets, and the cost of greenhouse gas emissions (GHGE), total energy, and total water embodied in food consumption.
The Ecology of Photosynthetic Pathways | Learn Science at Scitable nature.com 1 fact
formulaTranspiration rate (E) is defined by the formula E = 1.6 gCO2 (VPa - VPi), where 1.6 is the ratio of the diffusivity of water to carbon dioxide, gCO2 is the conductance to carbon dioxide, VPa is the water vapor pressure of the air outside the leaf, and VPi is the water vapor pressure inside the leaf.