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Darwin gave a lot of thought to the strangest creatures on this planet, wondering how they had evolved from less strange ancestors. Whales today might be fish-like warm-blooded beasts with blowholes and flukes, but long ago, Darwin argued, their ancestors were ordinary mammals that walked on land…
The emotions that other species summon up in the human brain are perplexing. A lion inspires awe and respect. It is the king of the jungle, a great name for a football team, a noble guardian of the entrance to the New York Public Library. A tapeworm, on the other hand, summons disgust mixed with a…
Researchers at the University of Hull, UK, recently published a paper about chemical signaling in reproductive behavior in crayfish. Yep, crayfish. Apparently, the female must release urinary cues in order to initiate courtship behavior in males. No pee, no sex. Unfortunately (and…
New branches on the tree of life have just turned up in Africa. Some are cuter than others.
In Madagascar, our primate family was enlarged by two adorable species of mouse lemurs. Meanwhile, other scientists made an uglier discovery in the small country of Djibouti, in the Horn of Africa. They…