Science & Technology

Science and technology news

The story of hitchBOT — the robot that had visited Europe and New York City, but couldn't make it out of Philadelphia in one piece — may not be over. A Philadelphia tech group is offering to rebuild the robot and hoping to repair their city's reputation.

A kid-sized robot that's built around a plastic bucket and sports a friendly LED face, hitchBOT had been on a mission to travel from Massachusetts to San Francisco, relying on the kindness of humans it meets along the way.

Copyright 2015 NPR. To see more, visit http://www.npr.org/.

Copyright 2015 NPR. To see more, visit http://www.npr.org/.

In 1953, Dr. John Clements realized something fundamental about the way the lung functions — an insight that would ultimately save the lives of millions of premature babies.

The story begins in 1950, when the U.S. Army sent Clements, a newly graduated physician, to the medical division of what was then called the Army Chemical Center in Edgewood, Md. Clements was interested in doing research in biochemistry. His commanding officer was of a different mind.

Thomas Jefferson's vision of democracy has endured in one of the defining documents of U.S. history. But the 607 slaves who toiled in his Monticello estate have left few traces to remember them by.

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