Hans Herren says science can help the small farmer

"The longer we wait, the more difficult it will be to regenerate some of this system, restore the land, which has been degraded over time," says Hans Herren.

Keith Meek on the workings of the eye’s cornea

Keith Meek said in 10 years time, it might be possible to make a near-perfect artificial cornea, the clear covering of the eye that focuses incoming light.

JoAnne Stubbe on free radical chemistry

JoAnne Stubbe on her breakthrough in understanding how free radicals and enzymes work together is being used to treat cancer.

Why do I get dizzy when I stand up?

Why do you get dizzy? If you've been sitting awhile, blood could pool in your legs, so there's less blood being pumped to your brain.

Why the media doesn’t talk about population

In past decades, "population control" and "overpopulation" were at the tip of everyone's tongues. So why don't we talk about population anymore?

Joel Breman thinks world can eliminate malaria by 2050

Joel Breman talked about a new class of drugs, and about bed nets, treated with insecticide, to offer protection against the malaria-carrying mosquito.

Herman Daly urges action on climate

Herman Daly believes the reality is that climate change will have negative consequences on humans and ecosystems.

David Hone: ‘U.N. urged to heed market in Copenhagen climate talks’

"With some clear thinking, with some good structure, and international agreement, we can actually shape a different energy future," says David Hone.

Online discussion today on population and climate change

How do population dynamics figure into the conversations about climate? Join this online discussion today.

Benjamin Glasser on making liquid fuel from coal

Listen to chemical engineer Benjamin Glasser talk about an innovative, cleaner process that could convert coal to liquid gasoline without producing as much carbon dioxide.

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