Climate: Africa's energy future on a knife's edge

With more than half its population lacking mains electricity and still using charcoal and other damaging sources for cooking, Africa's energy future –- torn between fossil fuels and renewables—is up for grabs.

Molecular dance by which a unique bacterium transfers electrons

Imagine you wanted to plug a device into an outlet on your wall, but you didn't have a cord that reached all the way. Instead, all you had were short snippets of wire that, put together, weren't enough to cover the distance ...

UN floats plan to boost renewables as climate worries mount

The United Nations chief on Wednesday launched a five-point plan to jump-start broader use of renewable energies, hoping to revive world attention on climate change as the U.N.'s weather agency said greenhouse gas concentrations, ...

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