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  • Why do Workouts Work?

    Dec. 10, 2004

    Most machines don't improve with use. Old pickup trucks don't gradually become Ferraris just by driving them fast, and a pocket calculator won't change into a supercomputer by crunching lots of numbers. The human body is different...

  • Soldering Surprise

    Aug. 16, 2004

    There's nothing routine about working in space, as astronaut Mike Fincke found out recently when he did some soldering onboard the International Space Station.

  • The Electric Border Collie

    May 14, 2004

    Using electric fields, NASA-supported researchers are learning to herd microbes for the benefit of Astronautsand Homeland Security.

  • Evicting Einstein

    March 26, 2004

    A Physicsexperiment on the drawing board for the International Space Stationcould help find the grand unifying "Theory of Everything."

  • The Pathway Less Traveled

    Aug. 27, 2004

    Altered gravity plays an unexpected role in obesity and weight loss.

  • In Colliding Galaxies: Planetary Ore

    Jan. 8, 2004

    NASA's Chandra X-ray Observatoryhas discovered rich deposits of neon, magnesium, and silicon in a pair of colliding galaxies known as The Antennae.

  • Titan's Surface Revealed

    July 4, 2004

    Piercing the smog enshrouding Titan, new images from Cassini reveal an exotic surface covered with a variety of materials.

  • Black Hole Mayhem

    Feb. 18, 2004

    NASA's Chandra X-ray Observatoryhas caught a supermassive black hole in the act of ripping a star apart.

  • Waste Not

    May 18, 2004

    NASA-supported researchers are working to develop a fuel cell that can extract electricity from human waste.

  • The Missing Moon of Sedna

    April 14, 2004

    Astronomers examining Hubble Space Telescope images of distant Sedna say the planetoid is even more mysterious than they first thought.