Uncategorized
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AnimalsKoalas’ very deep voice
Serenading males can sing some surprisingly low notes, and scientists have just uncovered how they do it.
By Beth Mole -
Health & MedicineMice on steroids
A new mouse study suggests the effects of steroids can last at least months. That’s long after most sporting authorities would be able to identify signs of doping in athletes.
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Science & SocietyMany teens try alternatives to cigarettes
Teen use of cigarettes has dropped a bit in recent years. But many kids have been turning to other tobacco and tobacco-like products. And which they choose can differ sharply by gender and ethnic group.
By Janet Raloff -
PlantsGold can grow on trees
Australian researchers found leafy nano-evidence pointing to rich deposits of the precious metal deep below ground.
By Beth Geiger -
Science & SocietyExplainer: Inspirations — from Tom Swift to tomatoes
Childhood interests may lead to a career imagining how the future could play out
By Kellyn Betts -
Science & SocietyExplainer: Some schools already teach future studies
Good preparation for working in this field may require more than a firm grounding in science or engineering.
By Kellyn Betts -
Health & MedicineCancers like it cool
Get that mouse a sweater! A chilly environment suppresses the immune system in mice. This can foster cancer growth, a new study finds.
By Janet Raloff -
Health & MedicineHIV: Reversing a death sentence
New research suggests the infection, while serious, can be treated — and maybe cured.
By Bryn Nelson -
PhysicsX-ray ‘eyes’
Movie directors often make “short” subjects, flicks running sometimes just a few minutes or so. But scientists have begun making much quicker “shorts,” essentially nanofilms. Their goal: catching science in action.
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EarthEnergy companies triggered quakes, study says
Injecting carbon dioxide underground seems like a good way to slow down global warming. A new study shows, however, that the process could trigger earthquakes.
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BrainSeeing without light
Many people report seeing their own hands moving in the dark, a new study finds. In these people, brain areas responsible for motion appear to fool vision centers into seeing what they would have — if there had been enough light to do so.
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BrainFear prompts teens to act impulsively
A new study finds that teens may act impulsively in the face of fear. This might help explain high rates of violence among such adolescents, the authors say.