Uncategorized
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Health & MedicineNew virus may have given kids polio-like symptoms
More than 100 U.S. children developed a paralyzing illness in 2014. Genetic evidence now suggests that the most likely culprit is a new form of a virus in the polio family.
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AnimalsNews Brief: Tiny songbird is mega-flier
With no pit stops for refueling, this tiny bird wings it from Canada to South America.
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ClimateMornings become electric
Lightning packs a wallop in the morning. The most powerful lightning strikes in the continental United States usually peak before noon.
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AnimalsScientists Say: Nematode
Nematodes are a group of related small worms found all over the world. They can cause disease, but they also can be useful for scientists to study.
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GeneticsHow DNA is like a yo-yo
When not in use, DNA coils tightly. But it must uncoil for the cell to ‘read’ its genes. Physical forces affect how easily that happens, new data show.
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EarthFracking wastes may be toxic, tests show
Fracking operations have been polluting the environment. Some wastes have hormonal effects. Studies in mice now show that prenatal exposures to these wastes can trigger subtle but disturbing organ impacts.
By Beth Mole -
AnimalsSecrets of slime
Mucus—snot—can be so gross. It’s also critical for many animals, including hagfish, snails and people. Snot can rid our bodies of nasty bacteria and viruses. In other creatures, it can smooth the road or rough up predators.
By Roberta Kwok -
HumansNeandertals create oldest jewelry in Europe
Adorned with all-natural signs of power: eagle claws. Holes in these claws show that Neandertals had been strung them together, like beads, as jewelry.
By Bruce Bower -
ChemistryCooking up life for the first time
The basic components for life could have emerged together nearly 4 billion years ago on the surface of Earth, chemists report.
By Beth Mole -
Materials ScienceNew mirror picky in what it reflects
A new type of mirror is selective in the light it reflects. It allows some wavelengths of radiation to pass through, while others bounce off.
By Andrew Grant -
AnimalsScientists Say: Irruption
Sometimes populations of animals can suddenly increase. The word for that is irruption.
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AnimalsWhy you’ll never see a dirty gecko
By knowing how a gecko’s skin works, could self-cleaning, water-repelling, antibacterial clothes be far behind?
By Ilima Loomis