Science ❯ Biology

Comparative Anatomy

Vertebrates Reptiles Mammals Morphology Human-Animal Comparisons Skull Morphology Modern Animals Nervous System Structures Fossils Eye Structure

Study Links Human Right-Handedness to Bipedalism and Brain Expansion

A large primate comparison ties the right-hand bias to upright walking followed by brain growth.

Study Finds Baby Maiasaura Ate Softer Food, Bolstering Case for Parental Care

Platypus Fur Reveals Hollow Pigment Structures Previously Seen Only in Birds

New Triassic Croc-Line Reptile Grew From Four-Legged Juvenile to Bipedal Adult

T. Rex Likely Ran Toe-First, Study Finds, Raising Speed Estimates by About 20%

Science Study Reveals 'Material Intelligence' in Elephant Trunk Whiskers

Study Ties Burst of Gene Isoforms to the Dawn of Vertebrates

Moroccan Hominin Fossils Dated to 773,000 Years Bolster African Roots of the Homo Sapiens Lineage

Fossil Brain Scans Point to Rapid Origin of Pterosaur Flight

Fossil Endocasts Show Pterosaurs Evolved Flight-Ready Brains Independently of Birds

Study Reveals Woodpeckers Sync Each Strike With a Breath to Act Like Hammers

Study Recasts Ardi’s 4.4-Million-Year-Old Ankle, Blending Ape-Like Climbing With Early Bipedal Traits

Digits May Have Evolved by Repurposing Cloacal DNA, Nature Study Finds

Study Pinpoints Two Embryonic Shifts That Shaped the Human Pelvis for Bipedalism

Primate Study Ties Longer Thumbs to Larger Brains

Researchers Uncover Intestinal Cells That Fully Digest Python Prey Skeletons

Study Confirms Teeth Evolved from Sensory Armor of Ancient Fish

Study Links Mammalian Longevity to Brain Size and Immune Gene Expansion

Larger Animals Face Higher Cancer Rates, Overturning Decades-Old Assumptions

Study Reveals Dog Breeds' Skull Shapes Do Not Dictate Job Performance