Lampreys offer clues to the origin of our fight-or-flight instinct
Lampreys look like something out of a horror movie, with their sucky mouths chock full of teeth, eel-like bodies, and…
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Lampreys look like something out of a horror movie, with their sucky mouths chock full of teeth, eel-like bodies, and…
Evolution is quite a wondrous and lengthy process, with some random bursts of activity that are responsible for the diversity…
Life may “find a way,” but how living things evolve is not a neat and orderly process. Instead of a…
Earth used to be absolutely crawling with more megafauna. The fossil record is full of enormous birds like New Zealand’s…
From a human perspective, chimpanzees and bonobos often represent two sides of our very nature. Chimpanzees are seen as more…
Dolphins and other toothed whales–or Odontocetes–use their heads to create sounds that help them communicate, navigate, and hunt in their…
Worm bodies might not seem all that interesting. However, a closer look can also reveal how some worms use extra…
Nature comes in wild colors, like the electric blue tarantulas and brightly spotted poison dart frogs. Named after bull fighters,…
The living mammal family tree is full of diverse species–big blue whales, great apes, bats, rodents, and humans, to name…
An enormous asteroid crashed into the Earth about 65 million years ago. While terrestrial dinosaurs like the famed Tyrannosaurus rex…