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.
2,324 results for "Type Ia supernovae" — page 75 of 117
ZB_2_03 — Biomineralization and Biological Engineering
Biomineralization — the process by which living organisms produce minerals — represents one of the most sophisticated feats of biological engineering on Earth. From nacre (mother of pearl), whose alternating layers of ar
ZB_2_16 — Tardigrades: Biology of Indestructibility
Tardigrades (phylum Tardigrada, ~1,400 described species) — commonly called "water bears" or "moss piglets" — are microscopic invertebrates (0.1–1.5 mm) renowned for their extraordinary tolerance to environmental extreme
ZB_2_14 — Photosynthesis Evolution and Diversity
Photosynthesis — the conversion of light energy into chemical energy — is arguably the most important biochemical process on Earth, responsible for virtually all atmospheric oxygen and the primary energy input for nearly
ZB_2_21 — Horizontal Gene Transfer & Microbial Evolution
Horizontal gene transfer (HGT) — also called lateral gene transfer (LGT) — is the transmission of genetic material between organisms by mechanisms other than parent-to-offspring (vertical) inheritance. HGT is the dominan
ZB_2_11 — Biological Electricity and Bioelectricity
Electricity is fundamental to life — every living cell maintains a transmembrane potential (Vmem, typically −40 to −90 mV in animal cells) created by ion channels and pumps that selectively move Na⁺, K⁺, Ca²⁺, and Cl⁻ ac
ZB_2_07 — Bioluminescence: Living Light in Nature
Bioluminescence — the production and emission of light by living organisms — is one of life's most extraordinary and widespread adaptations. It has evolved independently at least 94 times across the tree of life, from ba
ZB_2_22 — Bioelectricity, Morphogenesis, and Regeneration
Bioelectricity — the endogenous electrical signaling produced by all living cells through ion channels, pumps, and gap junctions — has emerged as a fundamental layer of biological information processing that operates alo
ZB_2_24 — Mechanotransduction and Piezoelectric Bioeffects
Living tissue is electrically polarized in response to mechanical stress through two complementary mechanisms: direct piezoelectricity in collagen, bone, and certain proteins, and active mechanotransduction through Piezo
ZB_2_09 — Biological Regeneration: Limb Regrowth and Tissue Repair
The ability to regenerate lost body parts varies enormously across the animal kingdom. Planarian flatworms can rebuild an entire organism from a fragment 1/279th of the original. Salamanders regenerate complete limbs, ja
ZB_2_15 — Carnivorous Plants: Evolution, Mechanisms, and Ecology
Carnivorous plants — approximately 800 species across at least 12 independently evolved lineages — have evolved the capacity to attract, capture, and digest animal prey (primarily arthropods) to supplement nutrient acqui
ZB_1_09 — Tool Use in Animals
Tool use — defined as the deployment of an external object to alter the form, position, or condition of another object or organism — was once considered uniquely human. Since Jane Goodall's 1960 observation of chimpanzee
ZB_1_17 — Cognitive Ecology and Animal Decision-Making
Cognitive ecology — the study of how animals' cognitive abilities (perception, learning, memory, decision-making) have been shaped by the ecological challenges they face — bridges behavioral ecology, comparative psycholo
ZB_1_13 — Sexual Selection and Mate Choice
Sexual selection — first articulated by Darwin (1871) in The Descent of Man, and Selection in Relation to Sex — is the evolutionary process by which traits that increase mating success are favored, even when they decreas
ZB_1_12 — Animal Play Behavior
Play behavior — voluntary, seemingly purposeless activity involving modified versions of functional behaviors — is observed across mammals, many birds, and some reptiles, fish, and invertebrates, yet remains one of the m
ZB_1_06 — Camouflage, Mimicry, and Biological Deception
Camouflage and mimicry represent some of evolution's most sophisticated solutions to the problems of predation and survival. Animals employ an extraordinary toolkit: background matching, disruptive coloration, countersha
ZB_1_03 — Animal Navigation and Migration — Magnetism, Stars, and Memory
Animal migration and navigation represent some of the most astonishing feats in biology: monarch butterflies traveling 4,000 km across North America using a time-compensated sun compass; Arctic terns completing 71,000-km
ZB_1_08 — Cephalopod Intelligence and Cognition
Cephalopods — octopuses, squid, cuttlefish, and nautiluses — represent the pinnacle of invertebrate cognitive evolution, having independently evolved complex brains and sophisticated behaviors along a lineage that diverg
ZB_1_10 — Sound Communication and Animal Vocalization
Sound communication is one of the most versatile and widespread signaling modalities in the animal kingdom, spanning frequencies from infrasound (elephants: ~14 Hz, traveling kilometers through air and ground) to ultraso
ZB_1_07 — Echolocation: Biological Sonar in Bats, Dolphins, and Beyond
Echolocation — the ability to perceive the environment by emitting sounds and analyzing returning echoes — has evolved independently in bats, toothed whales (dolphins, porpoises, sperm whales), some birds (oilbirds, swif
ZB_5_14 — Conservation Biology
Conservation biology — the scientific study of biodiversity loss and the methods to protect species, habitats, and ecosystems — was formally established as a discipline by Michael Soulé (University of California, San Die
BROWSE BY SECTION — 3,721 documents across 34 fields