Broken Hearts →  November 2, 2009 1

Taking a baseball to the chest hurts. Sometimes, it leaves a bruise. Sometimes, it knocks the wind out of you. If it hits at the wrong millisecond, it can kill.

Polio Strikes Back →  October 28, 2009 0

Doctors either don't know about it, or advise to rest and use braces. Mary ran a marathon while recovering from post-polio syndrome.

LED: The Future of Light →  October 7, 2009 0

If we replaced all the light bulbs with LEDs, we would save 20 billion dollars in the US – which corresponds to shutting down 30 large electrical plants.

Man On Tree →  October 7, 2009 0

Greg Mosman, the chief arborist for the city of Boston, is both a tender botanist and a thrill-seeking adventurer...

The Geology of Fear →  October 7, 2009 2

The creepy nature of New England's cemeteries may be due to the geology of the gravestones within their gates.

Top 5 Amateur Astronomers →  October 6, 2009 0

Astronomy is too important to leave to the professionals. Much more important than expensive equipment is a keen eye, a clear night, and a lot of patience.