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In his new book, Lester Brown says the world's food supply is tightening -- and the reasons are many.
Climate change may transform how and where farmers grow the food to feed rising numbers of mouths.
From small-scale nuclear power plants to advanced reactor designs, what's next for the technology of nuclear power?
Ira talks about global sustainability with Lester Brown, head of the Earth Policy Institute.
How closely related are food supplies and the stability of a civilization?
March 22 is World Water Day. In this hour, we'll take a look at the technical and political challenges in providing clean water around the world.
Ira talks with Lester Brown of the Earth Policy Institute about the environmental problems facing the globe, and what can be done to take action to fix them.
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.