David McComas

Feb. 03, 2012

IBEX Spacecraft Intercepts ‘Alien’ Particles

IBEX studies the composition of the Milky Way by measuring the abundance of interstellar particles.

ibex, space, interstellar wind, interstellar medium

Oct. 16, 2009

Surveying the Heliosphere

A series of journal articles published this week draw a new picture of our solar system's heliosphere, the bubble carved out in the interstellar medium by the solar wind.

sun, space, heliosphere, ena, charged particles, solar wind

Sep. 26, 2008

Solar Winds

New research suggests that the solar wind is weaker now than it has been in the past. What does that mean, and why does it matter?

sun, solar wind, ulysses, cosmic rays

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Michael Pollan Talks Plants and Food

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Mystery Box

Medical Oddities from the Bowels of the Mütter

\t"Disturbingly informative," is how museum director Robert Hicks describes Philadelphia's Mütter Museum--items of interest include a gangrenous hand, wax models of extinct diseases, deformed bones and body parts. Now imagine what's in the basement. Science Friday got a behind-the-scenes tour.

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