Study Finds Plastic is Infecting Coral Reefs

A study, published Jan. 26 in the journal Science, found coral reefs in the Asia-Pacific region were being smothered by more than 11 billion items of plastic and that the plastic was infecting the coral.

Cougars Declared Extinct in Northeastern US

The United States Fish and Wildlife Service said Jan. 22 that Eastern cougars, a subspecies of North American cougars, are extinct in the Northeastern United States as none have been seen in 80 years.

Hippos Chase off Shark

The video, which was posted to YouTube Jan. 16, shows a group of hippos chasing away a bull shark at South Africa’s Krugar National Park.