ScienceDaily: Strange Science News

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• Old fashioned roller coasters can help patients pass kidney stones
• X-rays that don't come from any known source
• Ancestor of arthropods had the mouth of a penis worm

Old fashioned roller coasters can help patients pass kidney stones Posted: 26 Sep 2016 07:35 PM PDT A urologist has discovered that riding a roller coaster helps patients pass kidney stones with nearly a 70 percent success rate.

X-rays that don't come from any known source Posted: 26 Sep 2016 07:47 AM PDT Space is filled with types of light we can't see -- from infrared signals released by hot stars and galaxies, to the cosmic microwave background. Some of this invisible light that fills space takes the form of X-rays, the source of which has been hotly contended over the past few decades. A new study confirms some ideas about where these X-rays come from, shedding light on our solar neighborhood's early history. But it also reveals a new mystery -- an entire group of X-rays that don't come from any known source.

Ancestor of arthropods had the mouth of a penis worm Posted: 26 Sep 2016 06:57 AM PDT Imagine a meter long worm with 12 stubby legs and matching sets of flaps running down the body. On the head is a large pair of spiny appendages used for grasping prey that transport victims into a circular mouth with several rows of teeth. For years, scientists have disagreed over whether this mouth belonged to the Anomalocaris, the largest sea predator from the Cambrian Period, or was comparable to the penis worm, a subset of priapulids, a category of marine worms that were diverse in the Cambrian.

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