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Animals
Numerous videos online show that squid undergo a dramatic color-changing effect after being stunned or killed.
The first-of-its-kind approval could change how we think about gene-edited foods.
500 sheep were slaughtered to produce the 2,060 pages of the "Codex Amiatinus," a Latin translation of the Bible.
Billy was a local celebrity in the early 1900s. And he might have been a murderer.
Nobody knows where the word "penguin" comes from.
The puzzle of play
The purpose of play — for children, monkeys, rats or meerkats — has proved surprisingly hard to pin down. Scientists continue to toss around ideas.
Darwin missed an amazing example of evolution.
Humans are good visual thinkers, too, but we tend to privilege verbal thinking.
Ancient bones reveal that domesticated felines were at home in Pre-Neolithic Poland around 8,000 years ago.
If dogs are out in coats and boots, how are the squirrels feeling?
Evolution repeatedly hit upon this solution simply because it works.
When we're stressed, our hormones and nervous system produce all sorts of odors.
Parity tasks (such as odd and even categorisation) are considered abstract and high-level numerical concepts in humans.
Toxoplasmosis, which results from a chance encounter with a cougar and the parasite it carries, can push a wolf to seek alpha status.
The spikes in their mouths would have helped them catch squid or fish.
The word “turkey” can refer to everything from the bird itself to a populous Eurasian country to movie flops.
All American and European eels originate in the same place.
This pup puts us one step closer to resurrecting extinct species.
The recipe for a perfect date night: a rom-com, a bowl of popcorn, and a syringe of testosterone — at least for gerbils, anyway.
A medical entomologist points to metabolism, body odor, and mindset.
Since our arrival, humans have driven a seven-fold drop in the mass of wild land mammals.
Sex can be a death trap even for modern toad and frog species.
Some animals were even assigned their own lawyers.
Imagine Flipper trained in the art of espionage.
People who rate themselves as highly knowledgeable about cats are more likely to interact with cats in ways they don't like.