How Do Shark Teeth Bite? Animals Physics 

How Do Shark Teeth Bite?

By Kate Stone For as long as humans have walked the earth, we have been fascinated by shark teeth. Sharks are famous for their biting skills. These predatory fish are equipped to efficiently dismantle prey including marine mammals, sea turtles, and seabirds. Sharks have been around for approximately 450 million years and haven’t changed a whole lot in that time. Today there are more than 400 species of sharks, and each has uniquely shaped teeth. Some are triangular, some have deep notches or curves, and others are shaped like spikes.…

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By Brocken Inaglory - Own work, CC BY-SA 3.0, Animals Oceanography Science Videos 

So Many Jellyfish, So Little Time

Dr. Joe gets up close and personal with the jellyfish (jellies) at the Monterey Bay Aquarium. “Jellyfish are mesmerizing and beautiful and I have no idea how they work. So I went behind the scenes at the Monterey Bay Aquarium with my new friend Tommy to learn all about them. I saw some things…” Dr. Joe says. Enjoy! Brought to you by It’s OK to be Smart, PBS Digital Studios, and BBC Earth Big Blue Live. Featured photo courtesy of By Brocken Inaglory – Own work, CC BY-SA 3.0, translates complex…

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Global Coral Bleaching Event, NOAA Environment Oceanography 

Coral Bleaching: Reefs Continue to Suffer

By Kate Stone Waters are warming in the Caribbean, threatening coral reefs in Puerto Rico and the U.S. Virgin Islands, scientists report. As record-high ocean temperatures cause widespread coral bleaching across Hawaii, National Oceanic and Atmospheric Administration (NOAA) scientists have confirmed that the same stressful conditions are impacting the Caribbean and may last into 2016, prompting the declaration of the third global coral bleaching event ever on record. What is Happening to the Coral Reefs? “Last year’s bleaching at Lisianski Atoll was the worst our scientists have seen,” says Randy…

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