In most species, sex is determined during fertilization. However, the sex of most turtles, alligators, and crocodiles is determined after fertilization. The temperature of the developing eggs is what ...

Watch sea turtle hatchlings journey to the ocean during the 2013 nesting season in Dry Tortugas National Park, Florida. This video was captured by a National Park Service professional. Please stay ...

A glacier collapse unleashed floods that inundated hydropower tunnels deep in the Himalayas, trapping workers. Reuters maps the tunnels and the rescue effort that followed. Reuters, the news and media ...

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