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Eating On Mars? Be Sure To Pack The Tortillas

It's not the hard work that will make astronauts lose it on long planetary missions — it's boredom. And something that can become very boring very fast is a rote menu. A simulated Mars mission reveals why cooking for others will be vital on long space journeys, and why wraps rule.

What's Making Headlines Outside Of Washington?

Congress has gone home for its annual August recess, so Tell Me More takes a look at headlines in places across the country. Guest host Celeste Headlee talks with Mike Leary from the San Antonio Express-News and Dana Coffield of The Denver Post.

China Says It Will Stop Taking Organs From Executed Inmates

The official in charge of China's transplant program says that starting in November, the country will begin moving to a voluntary organ donor program.

Kepler Space Telescope Is Beyond Repair, NASA Says

Two of the four gyroscope-like wheels that keep the planet-hunting probe pointed in the right direction aren't working. NASA is exploring whether there might be other research projects Kepler can still carry out.

Tornado Tech: How Drones Can Help With Twister Science

To understand how and why tornadoes form, some researchers are taking to the skies with small unmanned aircraft. The drones, outfitted with an array of sensors, can provide valuable data about the storms, and don't require people to be in harm's way. The goal is to increase the warning time before storms become deadly.

Meet The Olinguito, The Newest Member Of The Raccoon Family

This cousin of the raccoon is the first new carnivore discovered in the Western Hemisphere in 35 years. Native to the Andes Mountains of Colombia and Ecuador where it's still living, the olinguito was actually first identified in a Field Museum specimen storage room in Chicago.

Chronic Insomnia? Hitting The Treadmill Could Help ... Eventually

If you're chronically sleep deprived, don't expect 30 minutes on the elliptical to knock you out tonight. The sleep-boosting benefits of exercise take about four months to kick in for people with insomnia, a study suggests. But perseverance pays off.

Of Neurons And Memories: Inside The 'Secret World Of Sleep'

Think of everything your brain processes in a single day: your breakfast, a stain on a book cover, a meeting at work. If you remembered all those things, your brain would reach capacity. Author and neuroscientist Penelope Lewis says sleep helps sort through the memories that are worth keeping.

'Mature' Galaxies Around Not Long After Big Bang, Study Says

Astronomers using the Hubble Space Telescope say familiar types of galaxies, such as spirals and ellipticals, were present just 2 billion years after the Big Bang.

What's Up With That, Doc? Researchers Make Bunnies Glow

Rabbits have joined the growing list of animals that scientists are "marking" with proteins that cause them to glow green under black light. The process helps researchers study genetic diseases and is used in medicine production.