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The hidden wonders of Mexico's sacred underwater world
BBC News· 4 days agoMexico's cenotes are a uniquely beautiful and complex system of caves and waterways that are home to...
July 1 marks 20th anniversary of orbital insertion of Savannah River Site-powered Cassini
The Post and Courier· 2 days agoJuly 1 marked the 20th anniversary of the orbital insertion of a space probe with instruments powered by plutonium ...
Several shark species are facing extinction. Here’s how you can help
CNN via Yahoo Canada News· 22 hours agoOlder than dinosaurs and trees, sharks have endured a lot throughout their 450 million years on...