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.

3,701 results for "H II region" — page 164 of 186

ZF_3_00 Oceanography

ZF_3_00 — Maritime History Culture: Subfolder Summary

ZF_5_00 Oceanography

ZF_5_00 — Ocean Technology Policy: Subfolder Summary

ZF_4_00 Oceanography

ZF_4_00 — Ocean Chemistry Climate: Subfolder Summary

ZF_1_00 Oceanography

ZF_1_00 — Physical Oceanography: Subfolder Summary

ZF_0_00 Oceanography

ZF_0_00 — Oceanography & Marine Science: Section Summary

Z_5_00 Molecular Biology

Z_5_00 — Modern Genomics Technologies: Subfolder Summary

Z_5_06 Verified Molecular Biology

Z_5_06 — Circulating Cell-Free DNA: Liquid Biopsies and Non-Invasive Diagnostics

Circulating cell-free DNA (cfDNA) — fragments of DNA released into the bloodstream and other body fluids through cell death (apoptosis, necrosis), active secretion, and other mechanisms — has emerged as a revolutionary t

cell-free DNA cfDNA liquid biopsy circulating tumor DNA ctDNA non-invasive prenatal testing
Z_5_19 Verified Molecular Biology

Z_5_19 — Fermentation Biology: Microbial Transformation from Ancient Craft to Modern Science

Fermentation — the metabolic process by which microorganisms (bacteria, yeasts, molds) convert organic substrates into acids, gases, and alcohols — is arguably humanity's oldest biotechnology and one of the most conseque

fermentation microbiome lactobacillus saccharomyces beer bread
Z_5_03 Verified Molecular Biology

Z_5_03 — Metabolomics: The Small-Molecule Landscape of Life

Metabolomics — the comprehensive study of all small-molecule metabolites (<~1,500 Da) present in a biological sample (cell, tissue, organ, biofluid, organism) — is the newest of the major "-omics" disciplines (after geno

metabolomics metabolome mass spectrometry NMR metabolic profile biomarker
Z_2_16 Verified Molecular Biology

Z_2_16 — Cancer Genomics & Precision Oncology

Cancer genomics — the comprehensive analysis of the genetic alterations that drive cancer initiation, progression, and resistance to therapy — has transformed oncology from a tissue-of-origin classification system into a

cancer genomics precision oncology tumor sequencing oncogene tumor suppressor somatic mutation
Z_2_00 Molecular Biology

Z_2_00 — Medical Genetics Health: Subfolder Summary

Z_2_20 Verified Molecular Biology

Z_2_20 — Prion Molecular Biology

At the molecular level, prion diseases arise from the conversion of the normal cellular prion protein (PrPᶜ) into a misfolded, aggregation-prone conformer (PrPˢᶜ) through a process that remains one of the most extraordin

prion PrP protein misfolding amyloid conformational change PrPSc
Z_1_16 Verified Molecular Biology

Z_1_16 — Transposable Elements: Jumping Genes and Genome Evolution

Transposable elements (TEs) — sequences of DNA capable of moving ("jumping") from one genomic location to another — constitute approximately 45% of the human genome and up to 85% of the maize genome, making them the sing

transposable elements jumping genes Barbara McClintock retrotransposons DNA transposons Alu elements
Z_4_20 Verified Molecular Biology

Z_4_20 — Quorum Sensing in Bacteria

Quorum sensing (QS) is a chemical communication system used by bacteria to coordinate gene expression in response to population density — enabling single-celled organisms to exhibit collective behaviors that would be ine

quorum sensing autoinducer AHL AI-2 bioluminescence biofilm
Z_4_19 Verified Molecular Biology

Z_4_19 — Exosome Signaling and Intercellular Communication

Exosomes are small (30–150 nm) membrane-bound extracellular vesicles (EVs) released by virtually all cell types, carrying a cargo of proteins, lipids, mRNAs, microRNAs (miRNAs), and other nucleic acids that can be taken

exosome extracellular vesicle intercellular communication microRNA mRNA transfer multivesicular body
K_3_06 Verified Consciousness

K_3_06 — Disorders of Consciousness: Coma, Vegetative State, and Minimal Consciousness

Disorders of consciousness (DoC) — coma, vegetative state (now termed unresponsive wakefulness syndrome/UWS), and minimally conscious state (MCS) — represent some of the most challenging clinical and philosophical proble

disorders of consciousness coma vegetative state UWS unresponsive wakefulness syndrome minimally conscious state locked-in syndrome
K_3_19 Verified Consciousness

K_3_19 — Electrical Synapses and Gap Junctions in Consciousness

Most neuroscience focuses on chemical synapses, but the brain also uses electrical synapses formed by connexin-36 gap junctions — direct cytoplasmic channels that pass ions and small molecules between neurons. These prov

electrical synapse gap junction connexin pannexin ephaptic coupling neural synchrony
K_3_10 Credible Consciousness

K_3_10 — Fetal and Infant Consciousness

The question of when consciousness emerges during human development — whether prenatally, at birth, or gradually through infancy — is one of the most consequential in consciousness studies, with direct implications for f

fetal consciousness infant consciousness neonatal consciousness prenatal awareness fetal pain cortical development
K_3_08 Credible Consciousness

K_3_08 — Intention, Volition, and Motor Consciousness

The neural basis of voluntary action and the timing of conscious intention relative to brain activity has become one of the most productive — and philosophically consequential — research programs in consciousness studies

free will neuroscience volition Bereitschaftspotential readiness potential Libet experiment Benjamin Libet
K_3_07 Credible Consciousness

K_3_07 — Evolution of Consciousness

The question of when, how, and why consciousness evolved is one of the deepest unsolved problems at the intersection of biology, neuroscience, and philosophy. Two major recent proposals have attempted to identify the evo

evolution of consciousness consciousness origins sentience evolution Cambrian consciousness nervous system evolution neural correlates evolution