News
- Tech
Size Matters: Biosensors behave oddly when very small
There might be a limit to how small physicists should build tiny sensors that detect viruses and molecules.
- Health & Medicine
Problem Paternity: Older men seem more apt to have autistic kids
Children born to fathers who are age 40 or older have an increased risk of developing autism.
- Earth
Genes as Pollutants: Tracking drug-resistant DNA in the environment
A study that traces antibiotic-resistance genes in the environment indicates that they are present even in treated drinking water.
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Copycat Monkeys: Macaque babies ape adults’ facial feats
Scientists for the first time have established that baby monkeys, shortly after birth, imitate facial movements made by people and adult monkeys.
- Earth
Plastics agent worsens skin allergies
Low doses of one of the most commonly used softeners in plastics can aggravate dust-mite allergy.
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Sleep disorder tied to brain ills in kids
Researchers have linked a severe form of sleep apnea in children to brain irregularities that may contribute to learning problems.
- Health & Medicine
Herpes simplex viruses dip in prevalence
Two viruses that cause genital herpes decreased in prevalence in the United States during the past 2 decades.
- Health & Medicine
Old drug can stop clots as well as newer drug does
A decades-old form of the anticlotting drug heparin is as safe, as effective, and potentially as convenient to use as recent derivatives that are many times more expensive.
- Earth
Are pollutants shrinking polar bear gonads?
New research links persistent pollutants with reproductive impairment in polar bears.
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High-protein diets boost hunger-taming hormone
Eating protein appears to boost blood concentrations of a hormone recently found to restrict appetite.
- Physics
Radiant plasma may combat cavities
Dentists may someday disinfect teeth with a newly demonstrated, handheld stylus that exudes glowing plasma deadly to cavity-causing bacteria.
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Stem cells sense stiffness
Stem cells can sense the texture of whatever medium they're growing on and use this quality to guide their fate.
