RESEARCH BASE
Search 3,721 documents across 34 fields — every claim tier-rated by evidence
3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.
964 results for "van der Waals force" — page 17 of 49
ZF_1_02 — Tidal Science: Lunar Cycles, Tidal Locking, and Tidal Energy
Tides — the rhythmic rise and fall of ocean surfaces — are among the most predictable natural phenomena on Earth, driven primarily by the gravitational attraction of the Moon (accounting for ~68% of tidal forcing) and th
Z_5_04 — Structural Biology: Seeing Molecules at Atomic Resolution
Structural biology — the determination of the three-dimensional atomic structures of biological macromolecules (proteins, nucleic acids, and their complexes) — has been one of the most transformative disciplines in moder
Z_3_14 — Behavioral Genetics and the Genetics of Aggression
Behavioral genetics investigates the relative contributions of genetic and environmental factors to variation in behavior — including aggression, impulsivity, risk-taking, anxiety, sociability, and cognitive traits. Twin
Z_3_12 — Genetics of Alcohol Metabolism
The genetics of alcohol metabolism provides one of the clearest examples of how specific genetic variants influence behavior and disease risk at a population scale. Ethanol is metabolized primarily through a two-step oxi
Z_3_06 — Genetics of Circadian Rhythms
Circadian rhythms — endogenous ~24-hour oscillations in physiology and behavior — are generated by an intracellular transcription-translation feedback loop (TTFL) encoded by a set of core clock genes conserved across ani
Z_3_09 — Conservation Genetics and Endangered Species
Conservation genetics applies population genetics, genomics, and molecular biology to the preservation of biological diversity. At its core is the recognition that genetic diversity — the raw material for adaptation to c
Z_2_11 — Genetics of Immunity and MHC Diversity
The major histocompatibility complex (MHC) — known as the human leukocyte antigen (HLA) system in humans — is the most polymorphic gene region in the human genome, encoding cell-surface glycoproteins essential for adapti
Z_2_22 — Telomere Molecular Biology
Telomeres are the protective nucleoprotein structures capping the ends of linear eukaryotic chromosomes, consisting of tandem repetitive DNA sequences (5'-TTAGGG-3' in vertebrates, repeating ~1,000–2,000 times for a tota
Z_2_02 — Telomere Biology & Genetics of Aging
Telomeres — repetitive DNA sequences (TTAGGG)ₙ capping the ends of linear chromosomes — serve as protective buffers against chromosome degradation, end-to-end fusion, and the progressive DNA loss inherent in the end-repl
Z_2_07 — Genetics of Disease Resistance
Infectious disease has been the most powerful selective force shaping the human genome, leaving signatures across thousands of loci. The best-understood example is sickle cell disease (HbS, Glu6Val in HBB): heterozygous
Z_1_06 — Sex Determination Genetics
Sex determination — the biological process that establishes whether an organism develops as male, female, or an alternative reproductive type — employs remarkably diverse mechanisms across the tree of life. In placental
Z_1_13 — DNA Repair Mechanisms and Genome Stability
Every human cell sustains an estimated 10,000–100,000 DNA lesions per day from endogenous sources alone — oxidative metabolism, spontaneous hydrolysis, replication errors, and reactive metabolites — while environmental m
Z_1_05 — Genomic Imprinting and Parent-of-Origin Effects
Genomic imprinting is an epigenetic phenomenon in which a gene's expression depends on whether it was inherited from the mother or the father — violating the standard Mendelian assumption that both parental copies functi
Z_1_09 — Copy Number Variation and Structural Genomics
Copy number variations (CNVs) — segments of DNA ranging from ~1 kilobase to several megabases that are present in variable numbers across individuals — represent the most impactful form of genetic variation in the human
Z_4_16 — Phase Separation in Cell Biology: Membraneless Organelles and Biomolecular Condensates
Liquid-liquid phase separation (LLPS) is the biophysical process by which proteins and nucleic acids demix from the surrounding cytoplasm or nucleoplasm to form concentrated, membrane-free droplets called biomolecular co
K_3_02 — Embodied Cognition
Embodied cognition is a broad research program challenging the classical cognitive science view that the mind is essentially a computer processing abstract symbols in the brain. Instead, embodied cognition holds that thi
K_3_15 — Anesthesia and the Mechanisms of Consciousness Loss
General anesthesia — the reversible abolition of consciousness through pharmacological agents — is one of the most remarkable phenomena in medicine: it routinely eliminates subjective experience in millions of patients d
K_3_04 — Anesthesia and Consciousness
General anesthesia — the reversible, drug-induced abolition of consciousness — is one of medicine's greatest achievements and, paradoxically, one of its least understood. Approximately 350 million surgical procedures per
K_4_13 — Mirror Neurons and Social Cognition
Mirror neurons are a class of neurons, first discovered in the early 1990s in the premotor cortex (area F5) of macaque monkeys by Giacomo Rizzolatti, Vittorio Gallese, and colleagues at the University of Parma, that fire
K_4_02 — Stigmata, Faith Healing, and Psychosomatic Phenomena
The human body can do things under the influence of belief that should not be physically possible according to conventional medical models. The placebo effect — a "sugar pill" producing measurable physiological changes —
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