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U.S. Troop Suicide Rates Decline in Second Quarter

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Opening the (Protein Logic) Gates

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AND logic gate design and function – The protein AND logic gate was built from a protein that bound maltose (the detector) and...

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Twin Bombings Leave 31 Dead in Nigeria

Twin suicide bombings Thursday in a crowded marketplace in the north-central Nigerian city of Jos left at least 31 people dead.

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'Fragile' Cease-Fire Holds in Ukraine

Ukraine's president says a "fragile" cease-fire is actually in place for the first time in his country's seven-month conflict between government troops and Russian-back separatists.

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