Last May, German investigators found secret files embedded in a pornographic video on memory cards being carried by a suspected al Qaeda operative. Peter Wayner describes the history and technology of the technique for hiding information, known as steganography.
A group of science advocates say the American president should have the basic scientific know-how to understand policy challenges, evaluate options and devise solutions. Ira Flatow and guests discuss how a presidential science debate can help voters decide if a candidate is up for the job.
The massive magnitude 8.6 earthquake in April off the coast of Indonesia was felt from Bangladesh to Australia. But it caused little damage and no major tsunami. Seismologists studying the quake say it revealed some interesting features about how the Earth's tectonic plates move.
Thomas Jefferson's garden was a vast, beautiful science experiment involving over 300 varieties of 90 different plants. And no gardening detail was too small for Jefferson to note in the gardening journal he kept for nearly 60 years.
A calico lobster that had been living in obscurity off the coast of Maine has now been catapulted into a sort of celebrity, thanks to its rare coloring: a calico mix of orange and yellow spots. Researchers say it could be a 1 in 30 million specimen.
With the darkest days of the Martian winter now over, NASA took its Opportunity Mars Rover for a drive this week. The rover had been stationary while its solar panels lacked enough sunlight to power its batteries.
On Saturday May 12, 100 high school teams will compete in the Team America Rocketry Challenge. They'll have one chance to fly their rockets while keeping two raw eggs intact. Host Michel Martin talks with Darius Hooker and Wesley Carter of the Memphis rocketry team, about their stab at rocket science.
Two-thirds of Republicans say the president can do something about high gas prices; about two-thirds of Democrats say he can't. But six years ago, with a Republican president in the White House, those numbers were reversed. Researchers want to understand this flipped perception.
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