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Natural Selection

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Study Links Tiny T. Rex Arms to Evolution of Massive Robust Skulls

Researchers say a new comparative analysis suggests head‑first predation using powerful jaws drove forelimb loss across several theropod lineages.

Ancient DNA Study Finds 479 Human Gene Variants Shaped by Selection

Science Study Finds Neandertal–Human Pairings Skewed Toward Neandertal Men and Modern Women

SORS Laser Scans Reveal Contents of Darwin’s Sealed Specimen Jars

Ants Built Bigger Societies by Making Cheaper, ‘Squishier’ Workers, Study Finds

Largest Study Finds Sex-Linked Longevity Split Between Mammals and Birds

Ant Queens Clone Males of Another Species to Build Hybrid Workforces

Oldest Ankylosaur, First in Africa, Bore Meter-Long Neck Spines

Giant Theropods Developed Diverse Skull Biomechanics, Study Shows

Brain Switch in Deer Mice Shows How Evolution Shapes Flee-or-Freeze Responses

Study Finds Most Primate Societies Lack Clear Gender Dominance

Agriculture's Role in Accelerating Human Genome Evolution

New Research Links Rainwater to Formation of First Protocell Walls

Butterflies Use Static Electricity for Efficient Pollination

Biologists Document Predictable Evolutionary Patterns in Stick Insects