News
- Genetics
The Iceman tells a new tale: Infection with ulcer-causing bacteria
Ötzi the Iceman was infected with a virulent strain of H. pylori. A new study is the first to piece together an ancient genome of these bacteria.
- Oceans
Phytoplankton flunk photosynthesis efficiency test
Nutrient-poor ocean waters make phytoplankton photosynthesis inefficient
- Paleontology
Saber-toothed salmon teeth more like tusks than fangs
Saber-toothed salmon teeth may not have been positioned like fangs at all.
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- Astronomy
Black hole burps up gobbled gas and dust
Two belches from a supermassive black hole are drifting away from another galaxy.
- Psychology
Kids grasp words as symbols before learning to read
Preschoolers grasp that written words refer to specific things before they learn to read.
- Climate
Arctic passageways let species mingle
People aren’t the only animals likely to use passages that open up as the Arctic melts.
- Astronomy
‘Bones’ in Milky Way could help map galactic structure
Six newly discovered tendrils of interstellar gas might be “bones” of the Milky Way that could help researchers understand the scaffolding of our galaxy.
- Animals
Puff adders appear ‘invisible’ to noses
The snakey scent of puff adders proves difficult for even sensitive animal noses to detect.
- Astronomy
New recipe found for making supermassive black hole
The universe’s first supermassive black holes may have formed directly from gas in colliding galaxies, new simulations suggest.
- Health & Medicine
Gene behavior distinguishes viral from bacterial infections
Researchers have identified signatures of viral infection, a distinction that may help doctors tell whether bacteria or a virus is causing trouble.
- Paleontology
Bubbles may have sheltered Earth’s early life
Bubbles formed on ancient shorelines offer scientists a new place to look for traces of early life.
