Uncategorized

  1. Humans

    From the January 19, 1935, issue

    Unusual twin girls, recording brain waves, and making heavy hydrogen.

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  2. Planetary Science

    A Year on Mars

    Catch up with the amazing, ongoing adventures of the rovers Spirit and Opportunity, still ticking on the surface of Mars. These multimedia pages provide maps and routes, images, and accounts of discoveries as the two vehicles explored the Red Planet. Go to: http://www.jpl.nasa.gov/multimedia/mer-year/

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  3. Earth

    Early Warning: United States to deploy 32 more buoys for sensing tsunamis

    On Jan. 14, the Bush administration announced a $37.5 million program to expand the nation's tsunami-warning capabilities.

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  4. Tech

    Micro Musclebot: Wee walker moves by heart cells’ beats

    A new breed of mobile micromachine made of living heart tissue, gold, and silicon takes a step with each rhythmic contraction of its muscle cells.

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  5. 19508

    Plastic solar cells may indeed be gaining in efficiency, but here in the Southwest, anything plastic left out in the sun quickly clouds, desiccates, and cracks. Can the new polymer-based material protect against this destruction? It would certainly be cost prohibitive to replace the cells every year. Stephen WustSanta Fe, N.M. Researchers are well aware […]

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  6. Materials Science

    Infrared Vision: New material may enhance plastic solar cells

    The vision of flexible, low-cost, lightweight plastic solar cells has moved one step closer to reality with the creation of a material that can harness infrared light.

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  7. Ecosystems

    Bivalve Takeover: Once-benign clams boom after crab influx

    European green crabs invading a California bay have triggered a population explosion of a previously marginal clam.

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  8. Astronomy

    Black Hole Bonanza: 10,000 objects near our galaxy’s center

    Astronomers have found the first evidence of a suspected population of black holes near the Milky Way's center, each hole with 10 times the mass of the sun.

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  9. Paleontology

    Pieces of an Ancestor: African site yields new look at ancient species

    Fossils unearthed at sites in eastern Africa provide a rare look at Ardipithecus ramidus, a member of the human evolutionary family that lived more than 4 million years ago.

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  10. 19507

    Titan may represent conditions that existed on Earth when life arose. One important difference is the extremely cold temperature on Titan. However, the known life cycle of stars predicts that, at some time in the far distant future, our sun will gradually expand. As that happens, Titan will heat up, and that may be sufficient […]

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  11. Planetary Science

    A World Unveiled: Crème brûlée on Titan

    Penetrating the orange haze of a frigid, alien world, a space probe parachuted onto Saturn's moon Titan and unexpectedly came face-to-face with terrain that looks a lot like Earth.

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  12. Astronomy

    Stars in the dust

    The dusty disks surrounding three nearby stars show that they played host to massive collisions between asteroid-like objects as recently as 100 years ago.

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