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Space Shuttle Endeavour Rolls To Its Resting Place

NASA's space shuttle Endeavour is on its last journey. It's being towed through the streets of Los Angeles on its way to a science museum. Endeavour is expected to take two days to make the trip, providing gawkers with plenty of chances to get a glimpse.
NPR

Martian Meteorite For Sale Is A 'Little Time Capsule'

While NASA's robot is taking photos of Martian rocks, there are several pieces of the real thing on Earth. In 2011, an extremely rare event happened in Morocco — people observed a meteorite fall and recovered it before it was contaminated by water or organisms from Earth. Scientists now describe how it was made, and what it's made of. Now this weekend a piece of the asteroid is up for sale at a pricy auction house in Manhattan. Science and art have converged in a piece of Martian rock.
NPR

Tracking The Ozone Hole, As It Waxes And Wanes

Every August, the ozone hole begins to grow over Antarctica, reaching its maximum size by late September. But by the New Year, it's gone again. Russell Schnell, of NOAA's Earth System Research Laboratory, explains the weird forces behind the ozone hole's formation--and why, in recent years, an ozone hole has capped the Arctic too.
NPR

2012 Nobel Prizes Recognize Pioneering Science

The 2012 Nobel Prize winners were announced this week, and research on stem cells, cloning, cell receptors and quantum optics took center stage. Experts discuss how the work of this year's Nobel laureates changed our understanding of our bodies, and the world around us.
NPR

Fifty Years Ago, A Bright Idea

In October 1962, Nick Holonyak and colleagues at General Electric built the first practical light-emitting diode, or LED, that could emit visible light. Semiconductor LEDs are now a part of uncountable electronic devices. Holonyak discusses the invention, and his work since then.

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