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What was the fastest dinosaur?
By Roberta McLain published
Dinosaurs left behind clues about their maximum speeds, but do we know which dinosaur was the fastest?

Wandering salamander: The tree‑climbing amphibian with a blood‑powered grip
By Jay Kakade published
Wandering salamanders control their veritable grip by pumping blood into and draining it from translucent toes, as they glide and land on towering redwoods.

'Hell ant' with scythe-like jaws may be oldest ant fossil ever discovered
By Jess Thomson published
Researchers have discovered a never-before-seen species of "hell ant" that lived 113 million years ago, making it the oldest ant fossil ever found.

Zoo unveils babies of 100-year-old giant tortoise, 'Mommy'
By Patrick Pester published
Four adorable western Santa Cruz Galápagos tortoise babies are now on display at Philadelphia Zoo after their 100-year-old 'Mommy' reproduced for the first time.

Giant mosasaur discovered in Mississippi
By Patrick Pester published
Researchers may have discovered Mississippi's largest ever mosasaur after pulling a Cretaceous-aged fossil out of a riverbed south of Starkville.

Scientists capture footage of bizarre deep-sea creature with parasite pig tails
By Elise Poore published
Scientists on an expedition to the South Sandwich Islands near Antarctica have recorded horrifying videos of parasitic copepods feasting on the head of a deep sea rattail fish.

Chimps filmed sharing alcoholic food for first time
By Patrick Pester published
Videos of chimpanzees sharing alcoholic fruit suggest that this behavior could have led to feasting in humans, a new study finds.

'An up-tempo version of Darwinian evolution': How a mega freeze in Florida may have caused Burmese pythons to evolve at a blindingly fast speed
By Stephen S. Hall published
"The 2010 cold snap may have created a subset of pythons better able to survive cold temperatures — and thus better adapted to spread beyond the northern boundaries of its current range."

Why do cats bring home dead animals?
By Alice Sun published
Cats sometimes catch and leave a "gift" for their humans. But why do cats give us dead mice, birds or other prey?

'Secrets of the Penguins' will take penguin observations 'to another level,' executive producer James Cameron
By Ben Turner published
A three-part documentary on penguins' hidden lives will reveal a number of never-before-seen moments. Here's what executive producer James Cameron said about what to expect.
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