Fear and anxiety about terror attacks can alter brain chemistry, sometimes in ways that can increase your risk of death.
The crew of the double-hulled canoe Hokulea is sailing in archaic Polynesian-style, without modern navigation equipment. Continue reading →
NASA's OCO-2 satellite may help answer question of how much carbon oceans and forests can store.
One of the world's most precious resources is being used up more rapidly than it can be replaced. Continue reading →
The major cause of quakes seems to be injection of waste water from fracking. Continue reading →
Hacktivists determined to disrupt the terror group's online presence could impede government counter-intelligence efforts.
Red raindrops turn out to be a microalgae--but where it came from, nobody is sure Continue reading →
In developing countries, wood stoves are a major source of carbon pollution. Can a tech upgrade fix the problem?
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