Nitrate pollution in water threatens ecosystems and human health, yet removing it efficiently without producing harmful ...

Weaver ants’ feet have an incredibly strong grip—individual members of one species can, without slipping, hold an entire dead bird hanging off the edge of a table. And the mighty insects rarely work ...

In 1929 the Western Marine & Salvage Company moved a fleet of 169 World War I–era steamships to Mallows Bay, a shallow inlet in the Potomac River, where they were burned to make any salvageable ...