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A red disk painted in a Spanish cave over 40,800 years ago could be the work of Neanderthals.
Nickolay Hristov uses a long-range laser scanner and portable thermal cameras to see bats in new ways.
New research gives a date to the start of the formation of the Grand Canyon -- 17 million years ago.
Ready to go spelunking? Live from the cave state--that's Missouri--we'll get an inside look at the biology, geology, and history of the underground attractions that gave the state its name.
The arid Texas climate preserved rock art painted by early Native American groups.
The nautilus, the “living fossil” of cephalopods, can uncover the origins of the...
Could a stash of ancient bones be the work of a giant cephalopod?
In less than a second, cephalopods can change the color, pattern and shape of th...
Biologist Sarah Zylinski studies how cuttlefish see the world by looking at thei...
\tWith its heavy outer shell, weak vision, and primitive brain, the nautilus lacks much of the excitement of the more flashy and cunning cephalopods. Yet a series of experiments by evolutionary biologists Dr. Jennifer Basil and Robyn Crook involving fish juice, blue lights, and mazes dispels the notion that this ancient species is incapable of basic learning and throws into question the origins of cephalopods' intellectual prowess.