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Evolution

(A) Ventral view of the mandible and associated skull elements. (B) Mandible and skull elements labeled. (C) Left lateral view of the mandible. Abbreviations: an, angular; art, articular; d, dentary; j, jugal; R. mx, right maxilla; L. mx, left maxilla; p, palatine; R. pm, right premaxilla; sp, splenial; s.r., symphyseal ridge; sur, surangular.

New plesiosaur discovery sheds light on early Jurassic evolution and plausible endemism

Categories Life & Non-humans

Representative venom delivery systems in plants, including (A) co-habiting ants that numerous ant-plants provide a home and food for; (B) haustria of parasitic plants that attack other plants; (C) stinging trichomes of stinging plants; and (D) raphides that penetrate the oral membranes of animals that browse on plants. Artwork by Loma Linda University student M. Benjamin Streit.

Study Reveals Venom Delivery Systems Hiding in Plants, Fungi, and Even Viruses

Categories Life & Non-humans

African clawed frog

Ancient Amphibians Feasted Their Way Through Earth’s Greatest Apocalypse

Categories Life & Non-humans

Artwork of how Bastetodon likely appeared.

Near-complete skull discovery reveals ‘top apex’, leopard-sized “fearsome” carnivore

Categories Life & Non-humans

An adult male Kinda baboon grooms an adult female conspecific

Male Baboons Who Invest in Female Friendships Reveal Evolution’s Gentle Side

Categories Brain & Behavior, Life & Non-humans

« Velvet Ant Venom May Yield Answers for Pain-Related Medical Research

Nature’s Perfect Pain Machine: How Tiny Wasps Pack the World’s Most Agonizing Sting

Categories Health, Life & Non-humans

woman's ear

Ear muscle we thought humans didn’t use — except for wiggling our ears — actually activates when people listen hard

Categories Health

Professor Luis Martinez-Sobrido, Ph.D., (left) and Staff Scientist Ahmed Mostafa Elsayed, Ph.D., (right) review test results for the presence of bird flu while wearing protective equipment required for biosafety level-3 laboratories.

Bird Flu Shows Concerning Mutations, But Treatments Still Work

Categories Health, Life & Non-humans

Artwork representing calcium signalling in a rosette colony of the choanoflagellate S. rosetta.

Tiny Sea Creatures Caught ‘Talking’ to Their Colony Mates

Categories Life & Non-humans

The team analyzed genetic material from microbes in a one-of-a-kind archive of water samples collected over 20 years from Lake Mendota in Wisconsin.

Lake Bacteria Reveal a Stunning Seasonal Evolution Loop That Defies Expectations

Categories Life & Non-humans

Fossil faeces of the bone-crushing archosaur Smok, with a Smok reconstruction in the background. Illustration: Grzegorz Niedźwiedzki

Ancient Dung Reveals How Dinosaurs Rose to Power Through Five Key Steps

Categories Life & Non-humans

Example of Worn Hyena Jaw

How Ancient and Modern Predators Cope with Worn-Out Teeth

Categories Life & Non-humans

The nonvenomous Arizona mountain kingsnake, which resembles a venomous coral snake, has a survival advantage by warning off would-be predators that avoid colorful coral snakes.

The Great Color Explosion: How Earth’s Animals Became Dazzlingly Colorful 100 Million Years Ago

Categories Life & Non-humans

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