5:38
When the Earth Swallows
Sinkholes have gobbled up swimming pools, buses, and homes. But what causes them? And is there any way to predict where they’ll strike?
24:11
Al Gore Envisions ‘The Future’
The climate guru’s latest book tackles everything from American politics to nanotech, and of course, climate change.
Meet the Judge of Our Winter Nature Photo Contest
Photographer Clay Bolt helps choose finalists out of hundreds of submissions.
12:04
How Wood Smoke Is Dirtying Alaska’s Air
Cathy Cahill, of the University of Alaska Fairbanks, discusses air quality in the Last Frontier.
23:38
The SciFri Book Club Visits ‘Gorillas in the Mist’
Dian Fossey’s classic account of her fieldwork is on the reading list this month.
Open Invitation to Lamar Smith, House Science Committee Chairman
Science Friday invites Chairman Lamar Smith to discuss technology that will track objects such as asteroids that threaten Earth.
16:27
Researchers Point to the Demise of the Dinosaurs
Scientists are working to refine the dates for an ancient cosmic collision.
47:18
Are We Losing the Race Against Climate Change?
China burns as much coal as the rest of the world combined. But it also leads in clean tech, and has a national climate change policy in place. A look at how the world is tackling climate change–with or without us.
Spider Webs, Tractor Beams, and Beer
This week, I’m focusing on some really geeky—I should say Benjie*—research that caught my eye. Be ready for some gorgeous graphics and hi-tech talk.
22:42
Shoring Up the Nation’s Crumbling Coastlines
Can beaches be rebuilt to face fiercer storms and rising seas? Is there even enough sand to do it?