1. Earth

    Wind Chill Update

  2. 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.

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    On Oct. 31, the Environmental Protection Agency rescinded its March decision to rescind a proposed tougher limit on arsenic in drinking water and is now planning to implement the tougher limit of 10 parts per billion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

  4. 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.

  5. 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.

  6. 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.

  7. 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.

  8. Earth

    Bottled Water for All?

  9. Earth

    Researchers confirm sea change in oceans

    A new analysis of ancient seawater shows that the ocean's chemistry has fluctuated over the last half-billion years.

  10. Earth

    How polluted is a preschooler’s world?

    Preliminary data from a new study show that children may ingest traces of atrazine, a common herbicide, in their drinking water.

  11. Earth

    Kitchen tap may offer drugs and more

    Excreted drugs and household chemicals are making their way through community waste-treatment and drinking-water plants.

  12. Earth

    Composting cuts manure’s toxic legacy

    Composting manure reduces its testosterone and estrogen concentrations, limiting the runoff of these hormones, which can harm wildlife.