All Stories
- Health & Medicine
New dietary guidelines emphasize big picture
Americans’ new guidelines for healthy eating focus on subtle shifts to dietary habits.
- 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
- Astronomy
This black hole is an extreme recycler
A cosmic pump powered by a supermassive black hole is recycling gas through a galaxy.
- 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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- Animals
Animals get struck by lightning, too
Scientists found a group of sea lions apparently dead from a lightning strike. But those animals certainly aren’t the first animals to die that way.
- Earth
Five things science can (and can’t) tell us about North Korea’s nuclear test
North Korea’s claim about its recent nuclear bomb test isn’t entirely backed up by scientific evidence.
- Astronomy
Black hole burps up gobbled gas and dust
Two belches from a supermassive black hole are drifting away from another galaxy.
- Microbes
Get to know your microbes at ‘The Secret World Inside You’
The American Museum of Natural History’s newest exhibit rehabilitates bacteria’s bad reputation and introduces visitors to the microbiome.
- Animals
Sharks follow their noses home
Leopard sharks draw on scents to navigate back to shore, study suggests.
- Chemistry
Experiment offers glimpse at how to make hydrogen metallic
A new phase of hydrogen could represent the stepping stone for transforming element 1 into a metal.
