RESEARCH BASE

Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,625 Citations 34,852 Keywords Indexed 4 Evidence Tiers

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.

1,556 results for "jus ad bellum" — page 61 of 78

R_3_02 Verified Biology & Evolution

R_3_02 — Horizontal Gene Transfer in Complex Life

For decades, the "tree of life" was the central metaphor of evolutionary biology — species branching neatly from common ancestors through vertical gene transmission (parent to offspring). This metaphor is now BROKEN, at

horizontal gene transfer HGT lateral gene transfer LGT endosymbiosis mitochondria
R_3_19 Verified Biology & Evolution

R_3_19 — Bacterial Chemotaxis and Signal Transduction

Bacterial chemotaxis — the ability of bacteria to sense chemical gradients in their environment and direct their movement accordingly — is one of the most thoroughly understood signal transduction systems in all of biolo

chemotaxis bacteria signal transduction two-component system chemoreceptor CheA
R_3_10 Verified Biology & Evolution

R_3_10 — Protein Evolution and Molecular Machines

Proteins are the molecular workhorses of life — catalyzing reactions, building structures, transporting cargo, transmitting signals, and defending against pathogens. They are also some of biology's most astonishing molec

protein evolution molecular machine protein folding enzyme kinesin myosin
R_3_09 Verified Biology & Evolution

R_3_09 — Molecular Phylogenetics and Tree of Life

Molecular phylogenetics — reconstructing evolutionary relationships from DNA, RNA, and protein sequences — has revolutionized our understanding of the tree of life since Carl Woese's landmark 1977 discovery, using small-

phylogenetics molecular clock tree of life cladistics maximum likelihood Bayesian
R_3_03 Verified Biology & Evolution

R_3_03 — Evo-Devo: Evolutionary Developmental Biology

Evolutionary developmental biology ("evo-devo") reveals one of biology's most profound discoveries: the same small set of "toolkit" genes (Hox, Pax6, Sonic hedgehog, BMP, Wnt, etc.) controls body plan development across

evo-devo evolutionary developmental biology Hox genes homeobox toolkit genes deep homology
R_3_13 Verified Biology & Evolution

R_3_13 — Evolution of the Immune System

The immune system is one of evolution's most elaborate and costly creations — vertebrate adaptive immunity alone employs V(D)J recombination to generate over 10¹¹ distinct antibody specificities from fewer than 400 gene

immune system innate immunity adaptive immunity immunoglobulin T cell B cell
R_5_13 Verified Biology & Evolution

R_5_13 — Biological Invasions: Introduced Species and Ecosystem Disruption

Biological invasions — the introduction and spread of species beyond their native range, typically aided by human activity — represent one of the top five drivers of global biodiversity loss, alongside habitat destructio

invasive species biological invasion introduced species exotic species ecological disruption biodiversity loss
R_5_02 Verified Biology & Evolution

R_5_02 — Megafauna Extinction: Quaternary Losses and the Overkill Debate

Between ~50,000 and 10,000 years ago, Earth lost the majority of its large-bodied animals (megafauna >44 kg) — woolly mammoths, ground sloths, saber-toothed cats, giant wombats, moa, and dozens of other spectacular speci

megafauna extinction Pleistocene extinction Quaternary extinction overkill hypothesis climate change woolly mammoth
R_5_17 Verified Biology & Evolution

R_5_17 — Prion Biology and Ecology

Prions — infectious agents composed entirely of misfolded protein, devoid of nucleic acid — represent one of the most conceptually revolutionary discoveries in biology, fundamentally challenging the central dogma that ge

prion PrP transmissible spongiform encephalopathy TSE mad cow disease BSE
R_5_14 Verified Biology & Evolution

R_5_14 — Thermoregulation: Endothermy, Ectothermy, and Metabolic Evolution

Thermoregulation — the ability to maintain body temperature within functional limits — is a fundamental challenge of animal life, and the strategies organisms employ span a continuum from pure ectothermy (relying on envi

thermoregulation endothermy ectothermy homeothermy poikilothermy metabolism
R_2_05 Verified Biology & Evolution

R_2_05 — Missing Fossil Record and Punctuated Equilibrium

Darwin himself called the fossil record "the most obvious and gravest objection which can be urged against my theory" — because if evolution occurred through gradual transformation, we should find smooth transitional seq

fossil record transitional fossil missing link punctuated equilibrium Gould Eldredge
R_2_03 Verified Biology & Evolution

R_2_03 — Neanderthal Cognition and Interbreeding

For over a century, Neanderthals were depicted as brutish, cognitively inferior "cave men" — a failed evolutionary experiment replaced by superior modern humans. This narrative has been DEMOLISHED by 21st-century genetic

Neanderthal Homo neanderthalensis hybridization interbreeding DNA genome
R_2_08 Verified Biology & Evolution

R_2_08 — Bipedalism — Why We Walk Upright and What It Cost Us

Bipedalism — habitual upright walking on two legs — is the defining characteristic of the hominin lineage, predating brain enlargement, tool use, and language by millions of years. The earliest evidence comes from Sahela

bipedalism human evolution Sahelanthropus Ardipithecus Laetoli footprints savanna hypothesis
R_1_01 Verified Biology & Evolution

R_1_01 — Abiogenesis & Origin of Life Theories

Abiogenesis — the emergence of life from non-living chemistry — remains one of the deepest unsolved problems in science. The oldest confirmed microfossils date to ~3.5 billion years ago (Pilbara, Western Australia), with

abiogenesis origin of life RNA world panspermia hydrothermal vents Miller-Urey
R_1_03 Verified Biology & Evolution

R_1_03 — Mass Extinction Events

Life on Earth has endured at least five catastrophic mass extinctions in 540 million years, each eliminating 60–96% of all species. The "Big Five" are: End-Ordovician (~443 Mya, ~85% species lost), Late Devonian (~372 My

mass extinction Big Five Permian Cretaceous K-Pg Chicxulub
R_1_05 Verified Biology & Evolution

R_1_05 — Quantum Biology

Until recently, quantum effects were thought impossible in warm, wet biological systems. The standard assumption held that thermal noise at physiological temperatures (~310 K) would destroy quantum coherence within femto

quantum biology quantum tunneling enzyme catalysis photosynthesis coherence magnetoreception cryptochrome
R_1_19 Credible Biology & Evolution

R_1_19 — Deep-Sea Hydrothermal Vent Origin of Life

The deep-sea hydrothermal vent hypothesis for the origin of life proposes that life on Earth began at submarine hydrothermal systems — either high-temperature black smoker vents (>350°C, acidic, rich in transition metals

origin of life hydrothermal vent black smoker alkaline vent Lost City abiogenesis
R_1_04 Verified Biology & Evolution

R_1_04 — Extremophile Biology and the Limits of Life

Life exists in conditions once considered impossible: boiling hot springs (121°C+), deep-sea hydrothermal vents at crushing pressures, Antarctic ice, pH 0 acid lakes, nuclear reactor cooling pools, kilometers below Earth

extremophile archaea tardigrade Deinococcus radiodurans thermophile psychrophile
S_4_02 Verified Future Technology

S_4_02 — Space Exploration, Astrobiology, and Humanity's Cosmic Future

Humanity stands at the threshold of becoming a multi-planetary species — and possibly discovering extraterrestrial life within the next few decades. Mars remains the primary near-term target, with NASA's Artemis program,

space exploration Mars colonization astrobiology Europa Enceladus Kardashev scale
S_4_14 Verified Future Technology

S_4_14 — Satellite Mega-Constellations: Starlink, Space Pollution, and Connectivity

Satellite mega-constellations — networks of hundreds to tens of thousands of small satellites in low Earth orbit (LEO) providing global broadband internet coverage — have moved from concept to reality, with SpaceX's Star

mega-constellation Starlink OneWeb Kuiper satellite internet LEO