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Science

Saturday

National

Farmers Headed To Combat Zone

Armed with 4 tons of winter wheat and farming tools, members of the Kansas National Guard are preparing to deploy to Afghanistan. The Agribusiness Development team will help local farmers with their crops and livestock. Major Blaine Clowser, a member of the "combat farmer" team, talks about his pending trip.

Farmers Headed To Combat Zone

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National

Veteran Finds Therapy On The Farm

After three tours in Iraq, Marine Sgt. Colin Archipley decided he wanted a career outside the military. He now owns Archie's Acres, a hydroponics basil farm near Escondido, Calif.

Veteran Finds Therapy On The Farm

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Science Out Of The Box

It's Shocking, But You Eat It

It's a little yellow bud, and when you put it in your mouth, something strange happens. It's a reaction that feels "a little north of Pop Rocks, and south of putting a 9-volt battery in your mouth."

It's Shocking, But You Eat It

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Friday

Research News

Getting To The Root Of Why Hair Turns Gray

Gray hair is a common sign of aging, but just what causes locks to lose their color isn't well understood. Dr. Gerald Weissmann discusses new research suggesting that hydrogen peroxide build-up in hair follicles may bleach the color from the hair as it leaves the scalp.

Getting To The Root Of Why Hair Turns Gray

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Space

Celebrating The International Year Of Astronomy

Galileo first peered through his astronomical telescope toward the heavens 400 years ago, spotting mountains on the moon and discovering the moons of Jupiter. Astrophysicist Mario Livio talks about the special events planned this year to commemorate Galileo's discoveries.

Celebrating The International Year Of Astronomy

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Research News

Report Finds Forensic Evidence Lacking

A new report from the National Academy of Sciences says much of what's commonly called "forensic sciences" doesn't meet scientific standards. Experts say the country's forensics methods and systems — from fingerprint identification to bite-mark analysis — need an overhaul.

Report Finds Forensic Evidence Lacking

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Thursday

Donor-Conceived Kids Connect With Half Siblings

The main reason parents and their children cite for seeking out genetically linked half siblings is curiousity: They want to know about possible similarities in appearance and personality. Connected by genes, new kinds of families are taking shape.

Donor-Conceived Kids Connect With Half Siblings

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Earliest Humanlike Footprints Found In Kenya

The fossil footprints found in Kenya are the oldest prints ever found of the human genus. These rare footprints suggest that one of our ancestors developed a modern stride about 1.5 million years ago.

Earliest Humanlike Footprints Found In Kenya

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Wednesday

Tuesday

Space

Failed Launch Puts NASA Satellite In Ocean

A rocket carrying a NASA satellite meant to track global warming has landed in the ocean near Antarctica after a failed launch. The rocket with the Orbiting Carbon Observatory lifted off Tuesday morning from California's Vandenberg Air Force Base.

Failed Launch Puts NASA Satellite In Ocean

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National

Gathering Puts Energy Into Improving Power Grid

An all-star cast of politicians, business people and activists sat down Monday in Washington, D.C., to discuss how to transform the nation's energy supply from dirty to clean. The consensus was that it will take a much better system for distributing electricity coast to coast. Participants agreed there are plenty of challenges to doing that.

Gathering Puts Energy Into Improving Power Grid

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Darwin's Very Bad Day: 'Oops, We Just Ate It!'
Theo Allofs

Krulwich Wonders...

Darwin's Very Bad Day: 'Oops, We Just Ate It!'

When young Charles Darwin set out on the Beagle, near the top of his wish list was a rare and coveted bird: the lesser rhea. The bird had been sighted by a French rival — but never caught.

Darwin's Very Bad Day: 'Oops, We Just Ate It!'

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Space

NASA Loses Carbon-Measuring Satellite

A powerful new NASA satellite designed to measure carbon dioxide fell into the ocean near Antarctica shortly after its launch Tuesday. A preliminary investigation shows that a protective shroud around the satellite failed to break free, fatally weighing down the $278 million orbiter.

NASA Loses Carbon-Measuring Satellite

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Monday

Environment

Weathering The Times: Stimulus Boosts Green Jobs

Companies that weatherize homes and commercial buildings will be among the first to feel the benefits of the new federal stimulus money. The government's idea is to save energy, create jobs — and even perhaps slow global warming.

Weathering The Times: Stimulus Boosts Green Jobs

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As Suspension Bridges Age, A Search For Failures

Suspension bridges are an ancient but elegant technology. They're built to last, and some, like the iconic Brooklyn Bridge, are more than 100 years old. But none of them will last forever, so engineers are testing a system of sensors that will sound the alarm if a cable nears failure.

As Suspension Bridges Age, A Search For Failures

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