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.
1,632 results for "Po Nagar" — page 45 of 82
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_08 — Metamorphosis: Insect and Amphibian Transformation
Metamorphosis — a dramatic post-embryonic transformation in body form — is one of nature's most remarkable phenomena. Over 80% of insect species undergo complete metamorphosis (holometaboly), dissolving their larval tiss
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_13 — Death Biology: Programmed Cell Death
Death in biology is not merely the passive failure of living systems but an actively regulated process at multiple levels — from individual cells to whole organisms. Programmed cell death (PCD), particularly apoptosis, w
ZB_2_10 — Endocrine System: Hormones, Chemical Signaling, and Evolution
The endocrine system coordinates organismal development, metabolism, reproduction, and stress responses through chemical messengers — hormones — secreted into the bloodstream. This ancient signaling system predates the n
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_2_17 — Mycology: Kingdom Fungi
Kingdom Fungi — the second-largest kingdom of eukaryotes after animals, with an estimated 2.2–3.8 million species (only ~150,000 described) — encompasses organisms that obtain nutrition by absorbing dissolved organic mol
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_16 — Acoustic Ecology and Bioacoustics
Bioacoustics — the study of sound production, transmission, and reception in animals — and acoustic ecology (the study of organisms' relationships with their sonic environment) have revealed that the natural world is sat
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_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
ZB_5_11 — Chemical Ecology: The Language of Molecules
Chemical ecology investigates the role of naturally produced chemical compounds — allelochemicals, pheromones, volatile organic compounds (VOCs), and secondary metabolites — in mediating interactions between organisms, e
ZB_5_21 — Lateral Gene Transfer: Horizontal Exchange and Evolutionary Implications
Lateral gene transfer (LGT), also called horizontal gene transfer (HGT), is the movement of genetic material between organisms by mechanisms other than vertical parent-to-offspring inheritance. First recognized in bacter
ZB_5_25 — Animal Migration: Navigation, Endurance, and Ecological Connectivity
Animal migration — the seasonal, round-trip movement of populations between distinct habitats — represents some of the most extraordinary feats of endurance, navigation, and sensory capability in biology. Arctic terns (S
ZB_5_01 — Biological Rhythms Beyond Circadian
While circadian (~24-hour) rhythms are the best-studied biological oscillations (2017 Nobel Prize to Hall, Rosbash, Young), life is permeated by rhythms operating across all timescales — from millisecond neural oscillati
ZB_5_16 — Ecosystem Services Quantification
Ecosystem services quantification attempts to assign monetary or biophysical values to the benefits that natural systems provide to humanity — including pollination, water purification, carbon sequestration, flood regula
ZB_5_28 — Photosynthesis: Light Harvesting, Carbon Fixation, and the Bioenergetic Foundation of Life
Photosynthesis — the conversion of light energy into chemical energy by living organisms — is the bioenergetic foundation of virtually all life on Earth, fixing approximately 120 billion tonnes of carbon annually and pro
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