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In his latest "Flame Challenge," Alan Alda asked people to answer the question: "What is sleep?" We talk with the winning respondents.
Alan Alda’s “Flame Challenge” asks scientists to answer the big questions that keep them up at night to 11-year-olds around the world.
Alda's 'Flame Challenge' asks scientists to explain color—with children as the judges.
Calling all scientists! How do you explain the concept of time to an 11-year-old?
The winner of Alan Alda’s ‘Flame Challenge’ draws on animation, song and a physics background.
Eleven-year-olds from around the world will judge entries to Alda's "Flame Challenge."
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.