John Grunsfeld

Aug. 03, 2012

Planning for ‘Curiosity’ on Mars

NASA scientist John Grunsfeld gives a preview of the Mars Curiosity mission, from the landing’s ‘seven minutes of terror’ to the plans for the exploration ahead.

mars, red planet, curiosity, pathfinder, spirit, opportunity, mars science laboratory, planetary science, geology, seven minutes of terror

Apr. 27, 2012

An Astronaut Explores NASA's Scientific Frontiers

Astronaut and astrophysicist John Grunsfeld leads NASA's investigations of Earth--and beyond.

space, space flight, NASA, astronaut, Hubble telescope

Sep. 23, 2011

Flagstaff Throws A Party For Science

A ten-day event in Flagstaff highlights science in Northern Arizona.

flagstaff arizona science festival

AVAILABLE IN ITUNES

Michael Pollan Talks Plants and Food

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FEATURED PLAYLIST

Happy National Moth Week!

BOOKS BY OUR GUESTS

Mystery Box

The Myth of the Woolly Bear

\tLegend holds that the length of a woolly bear caterpillar’s color bands can be used to forecast how severe the winter weather will be. The myth dates back to colonial American folklore but was popularized by a 1948 study. SciFri finds out if there’s any truth to the lore, and what the caterpillar’s fuzzy bristles are really used for.

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