5,519 results
- Health & Medicine
Tongue piercings worse with metal
Stainless steel or titanium studs collect bacteria more readily than do studs made of plastic or Teflon, a study finds.
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- Chemistry
Molecules/Matter & Energy
An atom steps in as a mirror, ladybug chemical weapons and more in this week's news.
- Life
Complex life hit freshwater early
Tiny fossils in Scottish rock show that cells with nuclei had spread beyond the seas by a billion years ago.
- Health & Medicine
Body & Brain
A controversy about the benefits of extensive breast cancer surgery, plus more in this week’s news.
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SN Online
ATOM & COSMOSA fireball over Indonesia sent sound waves around the world. Read “News in Brief: Atom & Cosmos.” MOLECULESChemists create a possible pain reliever from crepe jasmine (flowers shown). See “Natural pain-killing chemical synthesized.” BODY & BRAINBacteria can linger on woodwinds for days. Read “Don’t share that clarinet.” EARTHA hot pocket, not a plume, […]
- Life
Old amoebas spawn their farms
Some slime molds use a simple form of agriculture to ensure a steady food supply.
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Olive oil injections aid in treating pneumonia
Treating pneumonia with olive oil sounds strange, but the idea showed signs of early scientific savvy.
- Life
Buried microbes coax energy from rock
In experiments, microorganisms can stimulate minerals to produce hydrogen, a key fuel for growth in a thriving subterranean world.
- Health & Medicine
Gut bacteria reflect dietary differences
A comparison of African and European children concludes that high-fiber, low-fat diets cultivate healthier intestinal microflora.
- Chemistry
Cloud seeding by trees could alter precipitation, climate
Some tree pollens shed molecules that can affect precipitation.
