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Titan Could Host Life "Not As We Know It"

Saturn's moon Titan is too cold for cell membranes to form as they do on Earth. But researchers have come up with a cell membrane that could exist on Titan. Christopher Intagliata reports...

Climate Skeptic Senator Burned after Snowball Stunt

Oklahoma Sen. James Inhofe carried a snowball onto the Senate floor to insinuate that climate change was not real, after which Rhode Island Sen. Sheldon Whitehouse torched Inhofe's argument. Steve Mirsky reports...

Preindustrial Pollution Pestered Peru

Ice cores show a sudden rise in heavy metal air pollution in South America 240 years before the industrial revolution, probably due to metallurgy and mining. Karen Hopkin reports...

Wearable Step Counters Offer Exercise Leg Up

High-tech pedometers do a decent job of counting steps accurately. Dina Fine Maron reports....

Gates CEO: Let's Shrink Maternal Mortality

Bill & Melinda Gates Foundation CEO Susan Desmond-Hellmann talks about some of what needs to be done to make a reality of the foundation's aspiration to cut maternal mortality by two thirds by 2030 ...

Is Recycling Worth the Effort?

The value of recycling depends on the material in question and whether all hidden costs and benefits go into the analysis. David Biello reports...

Climate Influences Language Evolution

The ease with which certain sounds are produced in different climes plays a role in the development of spoken languages. Christopher Intagliata reports....

Snail's Venom Puts Fish in Insulin Coma

The cone snail's venom contains not only neurotoxins, but insulin, too—which stuns the fish it preys on. Christopher Intagliata reports...

Long-Lost Lander Found on Mars

New images from NASA spacecraft reveal Beagle 2’s final resting place. Lee Billings reports...

Tech Consequences Voiced By Carnegie Mellon Prez

At the World Economic Forum, Carnegie Mellon president Subra Suresh talks about dealing with the unintended consequences of ever more sophisticated intelligent devices. ...