The Next Ice Age
Worried about global warming? Talk to a few scientists at Woods Hole. Oceanographers there are seeing big trouble with the Gulf Stream, which warms both North America and Europe
by Brad Lemley
Welcome to Yucca Mountain
Where a computer model has determined it's safe for America to bury its nuclear garbage
Rain, Rain, Go Away
A superabsorbent polymer reinvigorates an old dream
Blue Revolution
Fish farming is rapidly becoming a bigger enterprise than beef ranching. Critics contend it is also destroying land along coasts and hastening the demise of wild fish
The Race to Find Out How the Universe Will End
A look inside a rough-and-tumble scientific struggle
Wilding America
Connect our last parcels of wilderness, like pearls on a necklace, and mountain lions, bobcats, and wolves might once again roam their ancestral ranges