Science Magazine Podcast

Science podcast: A planet beyond Pluto, the bugs in your home, and the link between marijuana and IQ

January 21, 201617 min
Online News Editor David Grimm shares stories on studying marijuana use in teenage twins, building a better maze for psychological experiments, and a close inspection of the bugs in our homes. Science News Writer Eric Hand joins host Sarah Crespi to discuss the potential for a ninth planet in the solar system that circles the sun just once every 15,000 years.  [Image: Gilles San Martin/CC BY-SA 2.0]

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