All Stories
- Archaeology
Roman toilets didn’t flush parasites
Roman sanitation measures did little to dent parasite numbers, study finds.
- Archaeology
Roman toilets didn’t flush parasites
Roman sanitation measures did little to dent parasite numbers, a study finds.
- Astronomy
To search for an advanced civilization, take a U-turn to star clusters
Globular star clusters might be safe, stable homes for long-lived advanced civilizations.
- 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.
