News

  1. Earth

    Fill ‘er up . . . with a few tons of wheat

    A new analysis suggests that the amount of ancient plant matter that was needed to make just 1 gallon of gasoline is the same amount that can be grown each year in a 40-acre wheat field—roots, stalks, and all.

    By
  2. Ecosystems

    UK halts badger kill after study of TB

    Partial results from a new study have pushed the United Kingdom to stop its controversial, decades-old policy of killing local badgers if cattle catch TB.

    By
  3. Materials Science

    No Assembly Required: DNA brings carbon nanotube circuits in line

    Using DNA as a scaffold, researchers have devised a simple way of creating carbon nanotube transistors—a feat that paves the way for more complex circuits made from these nanomaterials.

    By
  4. Whales of Distinction: Old specimens now declared a new species

    Japanese researchers have named a new category of living baleen whales to explain puzzling specimens dating back to the 1970s.

    By
  5. Planetary Science

    Giant picture of a giant planet

    The Saturn-bound Cassini spacecraft has taken the sharpest global portrait of Jupiter ever obtained, showing the planet's turbulent atmosphere in true color.

    By
  6. Bias Bites Back: Racial prejudice may sap mental control

    White people who hold biased attitudes toward blacks experience a decline in the ability to monitor and control information after brief interracial encounters, a new study suggests.

    By
  7. Physics

    Quantum Pileup: Ultracold molecules meld into oneness

    Scientists have for the first time transformed molecules into an exotic state of matter called a Bose-Einstein condensate.

    By
  8. Earth

    Pieces of a Pulverizer? Sediment fragments may be from killer space rock

    Scientists sifting sediments laid down just after Earth's most devastating mass extinction 250 million years ago may have found minuscule fragments of the extraterrestrial object that caused the catastrophe.

    By
  9. Health & Medicine

    Rebuilding the Heart: Marrow cells boost cardiac recovery

    Inserting a person's own bone marrow stem cells into an ailing heart via a catheter can improve heart and lung function in such patients.

    By
  10. Humans

    Letters

    Letters from the Nov. 22, 2003, issue of Science News.

    By
  11. Health & Medicine

    Protein may predict heart problems

    Low blood concentrations of a protein called adiponectin may signal risk of heart disease.

    By
  12. Health & Medicine

    Defibrillator access pays dividends

    Ready access to a heart defibrillator can boost the survival chances of someone who suffers a cardiac arrest.

    By