News

  1. Paleontology

    Big Gulp? Neck ribs may have given aquatic beast unique feeding style

    The fossilized neck bones of a 230-million-year-old sea creature have features suggesting that the animal's snakelike throat could flare open and create suction to pull in prey.

    By
  2. Tech

    Bartending lessons for microassembly

    Engineers have demonstrated the feasibility of quickly assembling identical microcircuit components by agitating subunits in a liquid.

    By
  3. Marrow cells take up residence in wounds

    Bone marrow–derived cells linger in skin wounds much longer than previously thought, aiding in healing.

    By
  4. Physics

    Orbiting relativity test gets slow start

    Unexpected but necessary adjustments to a satelliteborne test of relativity theory have slashed the time available to collect data.

    By
  5. Tech

    Transmuting a powerful poison

    A new chemical process for fuel cells powered by hydrocarbons eliminates carbon monoxide that would clog fuel-cell electrodes while also extracting energy from the troublesome gas.

    By
  6. Chemistry

    Bacteria send out molecular scrounger for copper

    Scientists have discovered the organic molecule that bacteria use to take up copper, which the microbes then use to chemically crack methane.

    By
  7. Humans

    Rembrandt’s eye saw no depth

    The 17th-century Dutch artist Rembrandt lacked stereoscopic vision, an optical analysis of his self-portraits suggests.

    By
  8. Health & Medicine

    Hepatitis B vaccine linked to MS

    People who develop multiple sclerosis are more likely than others to have received a hepatitis B vaccination in recent years.

    By
  9. Materials Science

    Heat-controlled implant delivers insulin on demand

    The field of drug delivery is literally heating up, with the development of a new polymer implant that releases insulin in response to changes in temperature.

    By
  10. Health & Medicine

    Motor Ways: Gene mutation impairs muscle coordination

    Scientists have identified a gene mutation that appears to cause the motor impairment that occurs in a rare disorder called Joubert syndrome.

    By
  11. Animals

    Pirates of the Amphibian: Males fertilize eggs of another guy’s gal

    For the first time among amphibians, scientists have found frogs that sneak their sperm onto egg clutches left by another mating pair.

    By
  12. Health & Medicine

    Tapping an Unlikely Source: Scientists use mouth membrane to construct corneal-surface transplants

    Using membranes taken from the inside of the mouth, researchers have fashioned transplants that act as replacement outer layers for corneas in people with damaged vision.

    By