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113,348+ results

113,348+ results for:

  1. Ecosystems

    Aspiring to Save the Planet

    The failure of the G-8 Summit to put some teeth in greenhouse-gas limits suggests it may be time for a global climate czar.

    By Janet Raloff
  2. Chemistry

    It’s DNA Jim, but not as we know it

    Chemists synthesized a DNA-like molecule using unnatural versions of the “letters” that make up the genetic code.

    By Patrick Barry
  3. Paleontology

    A wandering eye

    New look at fossils of primitive flatfish reveals how these fish evolved eyes on one side of their head

    By Ashley Yeager
  4. Planetary Science

    Lunar liquid

    A new analysis of moon rocks has revealed that the moon isn’t as bone dry as researchers had thought, whetting the appetite of scientists who seek a deeper understanding of how Earth’s only natural satellite arose and evolved.

    By Ron Cowen
  5. Life

    Frog builds toes, then legs

    A small frog appears to jump-start its skeletal development, turning on genes for building feet and toes before bothering to build its legs.

    By Rachel Ehrenberg
  6. Paleontology

    Fossils, now available in color

    Fossilized feathers of an early bird or dinosaur may retain evidence of pigment, offering a chance to animal colors of the Cretaceous.

    By Davide Castelvecchi
  7. Health & Medicine

    Location matters

    Scientists find the role of dopamine varies from one end of a brain region to another.

    By Amy Maxmen
  8. Health & Medicine

    Risk profile for diabetes

    People who harbor excess amounts of the compound fetuin-A face a heightened risk of developing diabetes.

    By Nathan Seppa
  9. Health & Medicine

    Cancer and college

    Highly educated people have reaped the benefits of cancer prevention and treatment. Death rates in this group have fallen, but people with less education have missed out on these gains.

    By Nathan Seppa
  10. Health & Medicine

    Animal rights and wrongs

    Featured blog: Some animal-rights activists are taking a page out of the anti-abortionists' playbook and now bully animal researchers at home.

    By Janet Raloff
  11. Anthropology

    Loud and clear

    Skulls of Neandertal ancestors show the prehistoric humans had a hearing capacity similar to present-day people, suggesting human speech could have originated much earlier than previously thought.

    By Tia Ghose
  12. Humans

    Data Recycling and Other No-No’s

    At least one editor argues that maintaining the ethical behavior of journal authors requires constant policing.

    By Janet Raloff