1. Earth

    Coral-killing army recruits human bugs

    The army of pathogens responsible for black band disease, which kills corals, contains some human bacteria that polluted waters carry out to sea.

  2. Earth

    Greeks sailed into ancient Trojan bay

    A combination of sedimentary analysis and careful reading of classical literature helps pinpoint where the Greek fleet that attacked Troy came ashore.

  3. Earth

    Warm spell did little for Eocene flora

    A rapid warming period that began the Eocene epoch dramatically reshaped North America's animal community but not the continent's plants.

  4. Earth

    Tube worms like it hot, but larvae not

    The larvae of some tube worms that attach themselves to the seafloor around hydrothermal vents can't stand the heat there, but they go into a state of suspended animation when they drift into the chilly water nearby.

  5. Earth

    Desert glass: Is it baked Australia?

    A profusion of fused, glassy material found on the desert plain of southern Australia might be the result of the intense heat from an extraterrestrial impact.

  6. Earth

    Wind Chill Update

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  7. Earth

    Sediments Sink River’s Flow into Sea

    Deep-sea observations of occasional sediment-rich plumes of fresh water dumped into the ocean by rivers suggest that such underflows may be a prime conveyor of pesticides, organic carbon, and various nutrients to the seafloor.

  8. Earth

    EPA switchback on arsenic

    On Oct. 31, the Environmental Protection Agency rescinded its March decision to rescind a proposed tougher limit on arsenic in drinking water and is now planning to implement the tougher limit of 10 parts per billion in 2006.

  9. Earth

    Cancer risk linked to night shifts

    Women who work the graveyard shift increase their chance of developing breast cancer, perhaps because of chronic suppression of melatonin.

  10. Earth

    Farmers could help heal Gulf of Mexico

    Farm-derived nutrients in the Mississippi River that create a huge dead zone in the Gulf of Mexico could probably be substantially reduced if farmers simply used a little less fertilizer.

  11. Earth

    Uranium recorded in high-altitude ice

    An international team of scientists has analyzed a lengthy core of ice and snow drilled from atop Europe's tallest mountain to produce the first century-long record of uranium concentrations in a high-altitude environment.

  12. Earth

    Grape-harvest dates hold climate clues

    The vintner's habit of picking no grapes before their time may give scientists a tool that could help verify reconstructions of European climate for the past 500 years.