Giant predatory worms, 50-foot algae, sea spiders and leopard seals are some of the creatures living between the ice and snow of Antarctica. A leading expert on Antarctica explains what's in this fragile ecosystem and why it's under attack.
A century ago, Nikola Tesla was a world-famous wizard of electrical engineering. But he fell into obscurity, and his lab on Long Island, N.Y, which was supposed to be his crowning achievement, has long sat derelict. Now a crowdsourcing campaign has brought out donations from Tesla fans around the world.
Climate change is exaggerating the normal swings in weather. For the American Southwest, that means more intense waves of heat, drought and fire that could wipe out trees that have stood for centuries. It's already revamping the ecology of the landscape.
Mitt Romney unveiled his plan Thursday to eliminate North America's dependence on foreign energy by 2020. The plan would end subsidies for renewable energy sources and instead rely heavily on fossil fuels from the U.S., Mexico and Canada. Not discussed were the immediate or long-term effects on climate change.
A life-threatening infection at the National Institutes of Health last year spread to more than a dozen patients. Guest host Frank Sesno and guests discuss the rise in "superbugs" nationwide and what hospitals are doing to fight these antibiotic-resistant bacteria.
Woodland forest fires are burning with such power and size, no one can remember anything like it. The problem with fires of this intensity is that the forests can't recover — they are completely destroyed.
Ivan spent decades confined within a small department store display, until activists won the gorilla's transfer to a zoo. Anthropologist and ape observer Barbara J. King remembers Ivan and considers the intense impact — positive and negative — that human actions have on individual animals' lives.
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