All Stories
- Animals
Toxic toad infiltrates Madagascar
Asian common toads may have hopped a ride to Madagascar and could pose an ecological risk to the island's native species.
- Life
Human use energy in brains, muscles differently than chimps do
The way our brains and muscles use energy is strikingly distinct compared with chimpanzees' metabolism in these tissues, a finding that may explain the major differences between the two species.
- Environment
Carbon dioxide levels hit landmark in Northern Hemisphere
The Northern Hemisphere experienced the first full month with the greenhouse gas at or above the symbolic 400 parts per million level.
- Science & Society
Stem cell scientist reportedly agrees to retract controversial paper
Japanese stem cell scientist Haruko Obokata has agreed to retract one of the Jan. 30 Nature papers on STAP cells.
- Climate
Violent storms may shatter sea ice
Tall waves’ effect on sea ice hints at troubled water in the future.
- Particle Physics
Proton’s magnetic properties pinned down
A precise measurement of a proton’s magnetic properties could help reveal subtle differences between matter and antimatter.
- Health & Medicine
Baby’s first bacteria arrive sooner than we thought
Forget what you’ve heard. The womb is most definitely not sterile.
- Animals
Zebra finches can detect variations in human speech
When humans vary the pitch or rhythm of their speech, zebra finches perceive the changes, suggesting that the ability to detect such variations is not linked to language.
- Paleontology
Age and origin of Earth’s early fossils questioned
Some of Earth's earliest trace fossils may not be fossils at all, a new study argues.
- Life
Ebola vaccine shows promise for saving apes
Results of a clinical trial suggest that vaccination of wild apes could protect them from infectious diseases.
- Life
Starchy foods more filling than fiber, lab tests suggest
Tests of gut microbe digestion of potato starch and fiber suggest that moving away from grass-heavy ancestral diets may not be the reason for obesity epidemic.
- Animals
New salamander stays young at heart
A new salamander species was long mistaken for the juvenile form of another.
