Earth

  1. Earth

    Really hot water

    Hot-water tanks can accumulate radioactive deposits from naturally occurring radioactive material.

    By
  2. Earth

    Landscaping stones may pose risks to the environment

    Chemical analyses suggest that planting ornamental rock gardens in some cases may not be doing the environment any favors.

    By
  3. Earth

    Big quakes can free grounded icebergs

    Data gathered by equipment installed on an immense iceberg off Antarctica suggest that the ground motions spawned by large, distant earthquakes can free such bergs to float again.

    By
  4. Earth

    Seismic vibes gauge Earth’s crust

    New seismic observations are adding to scientists' knowledge of the thickness of Earth's crust, especially in the Southern Hemisphere.

    By
  5. Earth

    Reflections on Insecticides: Mirror forms of agrochemicals set risk

    The toxicity of an insecticide or how long it persists in the environment depends on which mirror-image form of the chemical is present.

    By
  6. Earth

    Tsunami Disaster: Scientists model the big quake and its consequences

    Scientists are modeling the immediate and long-term effects of the magnitude 9.0 earthquake that struck west of Indonesia the morning of Dec. 26, 2004, and triggered tsunamis that killed tens of thousands of people.

    By
  7. Earth

    Ocean-sensor project reaches milestone

    Oceanographers seeking to deploy an armada of 3,000 robotic probes to take the pulse of Earth's oceans have passed the halfway mark and hope to have the full array of sensors in place by 2007.

    By
  8. Earth

    Climate Storm: Kyoto pact is confirmed, but conflict continues

    Controversy flared over the link between climate change and increasing storm activity at the first international climate change meeting since the implementation of the Kyoto Protocol was assured.

    By
  9. Earth

    Joining the Resistance: Drug-immune microbes waft over hogs

    Many bacteria found floating within a farm building are invulnerable to multiple antibiotics, confirming that airborne dispersal could spread drug-resistant microbes from animals to people.

    By
  10. Earth

    Shake Down: Deep tremors observed at San Andreas fault

    Patterns of activity for a type of tremor that occurs deep beneath California's San Andreas fault may offer scientists a way to foretell earthquake activity there.

    By
  11. Earth

    Alpine glaciers on a hasty retreat

    Comparisons of satellite images, aerial photos, and old surveys of Alpine glaciers indicate that the ice masses are losing area at an accelerating rate.

    By
  12. Earth

    Hidden Canyons

    Among Earth's unsung geological masterpieces are undersea canyons, some of which stretch hundreds of kilometers and can be deep enough to hold skyscrapers.

    By