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Our Daily Planet: Philadelphia Tornado Video and a Dive to Blackbeard's Shipwreck

Each weekday morning, OurAmazingPlanet takes the pulse of the Earth, reporting on natural phenomena and exploration news from around the globe.

Philly Tornado: A small tornado hit northeastern Philadelphia, Pa. yesterday with winds of up to 75 mph (121 kph), damaging businesses. It was the first tornado in the city since 1999. See a video of the damage. [Related: The Tornado Damage Scale In Images ]

Brett Israel was a staff writer for Live Science with a focus on environmental issues. He holds a bachelor’s degree in biochemistry and molecular biology from The University of Georgia, a master’s degree in journalism from New York University, and has studied doctorate-level biochemistry at Emory University.