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Drought + food = instability?
Different lessons from California, Syria, Egypt and China

As California parches, we look at drought in the “Arab Spring” and China’s Great Leap Forward. How are drought and famine related? More »

Dogs and their owners: A chemical bond

Oxytocin, the “birth hormone,” works on both sides! More »

Continental connection: North, South America linked much earlier than thought

Ancient river moved crystals from Panama to Colombia, proving early land bridge between Americas More »

2015 Cool Science Image Contest Winners

Congratulations to our winners! More »