Health & Medicine
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Tech
A shape-shifting robotic tooth-cleaner might one day brush for you
A swarm of billions of magnetic, bacteria-killing nanoparticles can be shaped into bristles to fit any surface, including between teeth.
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Animals
Some spikes in malaria cases may be tied to amphibian die-offs
Amphibian deaths from a fungal disease may have led to more mosquitoes — and an increase in malaria cases in Costa Rica and Panama.
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Health & Medicine
How wriggling, blood-eating parasitic worms alter the body
Parasitic worms eat blood and make people sick, but they may also help prevent or treat some diseases.
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Health & Medicine
Scientists Say: Liver
This organ in the upper-right side of the belly does many essential jobs, such as cleaning blood and producing bile.
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Health & Medicine
How sunshine may make boys feel hungrier
Males eat more on long summer days, but females do not. Hormones may explain this difference.
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Genetics
For some kids, their rock-star hair comes naturally
A variant of a gene involved in hair-shaft formation was linked to most of the uncombable-hair-syndrome cases analyzed in a recent study.
By Meghan Rosen -
Health & Medicine
Examining Neandertal and Denisovan DNA wins a 2022 Nobel Prize
Svante Pääbo figured out how to examine the genetic material from these hominid ‘cousins’ of modern humans.
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Health & Medicine
Dogs and other animals could aid the spread of monkeypox
Now that monkeypox has spread to a dog, researchers fear other species could help the virus become widespread outside of Africa for the first time.
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Health & Medicine
Explainer: What is mpox (formerly monkeypox)?
Once rare, the viral disease monkeypox exploded onto the global scene for the first time in 2022.
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Chemistry
Recipes for modern beauty products aren’t so modern after all
An art historian has combined forces with chemists to uncover the science behind cosmetics used about 500 years ago.
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Tech
New stick-on ‘sonar’ device lets you watch your own heart beat
This wearable patch might one day make personalized medicine affordable almost anywhere in the world.
By Asa Stahl -
Climate
Heat waves appear more life-threatening than scientists once thought
This is bad news as a warming planet leads to growing numbers of excessive heat waves — and millions more people facing potentially deadly temperatures.