1,416 results
- Chemistry
Human blood types have deep evolutionary roots
The ABO system may date back 20 million years or more, a genetic analysis suggests.
- Life
Chimps’ baby teeth don’t predict weaning
The age at which a chimpanzee gets its first molar tooth doesn't predict when it will stop nursing.
- Science & Society
Science News at the 2013 AAAS meeting
A round-up of Science News coverage of the meeting of the American Association for the Advancement of Science held February 14–18, 2013 in Boston.
- Psychology
Babies’ flexible squeals may enable them to talk later
Language evolution might have fed off infants’ ability to use certain sounds to express various emotions.
- Life
Geneticists go ape for better primate family tree
The first gorilla genome and a more detailed look at chimp genetics provide new clues to evolution of humans and their closest relatives.
- Life
Ebola may go airborne
Infected pigs can transmit virus to primates without contact, a new study finds.
- Life
Pigeons rival primates in number task
Trained on one-two-three, the birds can apply the rule of numerical order to such lofty figures as five and nine.
- Humans
Penis size does matter
Women tend to consider men with lengthier members more visually attractive.
- Life
Cloning produces human embryonic stem cells
Fine-tuning of technique used in other animals could enable personalized medicine.
- Animals
Face Smarts
Macaques, sheep and even wasps may join people as masters at facial recognition.
- Life
Two steps to primate social living
Evolutionary shifts about 52 million and 16 million years ago led to the group structures observed today, researchers argue.
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