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Python Metabolite Reveals New Appetite-Suppressing Pathway in Mice

Human translation remains uncertain despite mouse weight-loss results from a snake-derived gut–brain signal.

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Bull Sharks Form Selective Social Bonds, Study Finds

Platypus Fur Reveals Hollow Pigment Structures Previously Seen Only in Birds

Japan’s Tokara Leaf Warbler Recognized as New Species on Genetic and Song Evidence

New Species Crocodylus lucivenator, Likely Predator of 'Lucy,' Described From Ethiopia

Bird Flu Outbreak at Año Nuevo Reaches Sea Otter and Sea Lion as Elephant Seal Toll Rises

Study Finds Bonobos Are as Aggressive as Chimps, With Different Targets

Ravens Use Memory, Not Wolf Shadowing, To Find Yellowstone Kill Hotspots

24/7 Killifish Tracking Lets AI Predict Lifespan by Early Midlife

Extreme Cold and Heavy Rain Harm Great Tit Chicks, Oxford 60-Year Study Finds

Peer-Reviewed Study Finds Hibernating Bumblebee Queens Can Breathe Underwater for Days

Study Quantifies Spinal Mechanics That Let Cats Land on Their Feet

UBC Study Finds Raccoons Keep Solving Puzzles After the Treat

Study Traces Live Amazonian Parrots Carried Across Andes to Pre-Inca Coast

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

Two ‘Extinct’ Marsupials Confirmed Alive in New Guinea, One Placed in New Genus

Antscan Releases Open 3D Library of 2,193 Ants Scanned at Synchrotron Speed

Permian Tetrapod From Brazil Reveals Twisted, Plant‑Grinding Jaw

Oldest Articulated Bony Fish and Giant Megamastax Redraw Osteichthyan Origins

Caterpillars Keep Complex Rhythms to ‘Speak Ant’ and Secure Care, Study Finds