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Science Friday Audio Podcast: Episodes

Did the rover shed a piece of plastic while collecting its first scoop of Martian soil?
This year’s Nobel laureates changed our understanding of our bodies and the world around us.
Inventor Nick Holonyak describes the creation of the visible light-emitting diode, or LED.
Gravity doesn't behave as expected in a new art exhibition in New York City.
The Antarctic ozone hole reaches its largest size by late September -- but then it disappears again.
A federal appeals court is set to hear the scientific case for marijuana's therapeutic effects.
Gorilla Glass isn't unbreakable. But it's twice as durable as regular glass -- at half the thickness.
Did you know some infinities are bigger than others? Or that one is equal to .99999999999 repeating? Just a few of the math mysteries in <em>The Joy of X</em>, a new book by Steven Strogatz.
Stem cells can be turned into heart, liver, and brain cells -- but what about a whole new organism? A study in <em>Science</em> explains the transformation from stem cell to egg to mouse pup.
For rhinoceros beetles, size matters.
The black hole resides at the center of a galaxy located 50 million light-years from Earth.
Researchers are studying how gene regulation influences memory.
Crown-of-thorns starfish are partly to blame for the Great Barrier Reef's alarming loss of coral cover.
Mapping streets is easy. The trick is pinning down businesses and giving accurate turn-by-turn directions.
We’ll check in with biologists studying American kestrels, prairie falcons, red-tailed hawks, and other raptors that nest in Idaho's Snake River Birds of Prey National Conservation Area. Plus, bringing back the California condor.
Move over mammoths -- many lesser-known beasts roamed North America during the Ice Age too.
Cheatgrass, an invasive weed, chokes out native sagebrush -- and sets the stage for massive blazes.
"All DNA evidence is not created equal," says Greg Hampikian, Director of the Idaho Innocence Project. He’ll tell us why DNA 'evidence' sometimes leads to the wrong conclusion.
Spray-on skin, made-to-order muscle, and print-out kidneys aren't just science fiction anymore.
A Kickstarter-funded project aims to build a machine to print micro solar panels.
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