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A team led by Sebastian Stumpf from the University of Vienna describes an well-preserved skeleton of the ancient shark Asteracanthus. This rare fossil find comes from the famous Solnhofen limestones in Bavaria, which was formed in a tropical-subtropical lagoon landscape during the Late Jurassic, about 150 million years ago. The almost complete skeleton shows that Asteracanthus was two-and-a-half meters long, which makes this ancient shark one of the largest of its time.

The actor (real name: Dearon Thompson) as found unresponsive at his home in Los Angeles Thursday morning.

Airlines and the Transportation Security Administration are stepping up security for flights to and from Washington, DC, amid threats of additional violence.