News
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Placebo gives brain emotional break
Placebo-instigated anxiety reduction is accompanied by sparse activity in emotional parts of the brain as well as by intense responses in neural structures that dampen pain, a new brain-scan study finds.
- Tech
Sensor measures mass of one DNA molecule
A new biosensor that can detect the mass of a single DNA molecule could lead to faster and more accurate screening for HIV infection, cancer, and other diseases.
- Earth
Antarctica’s gaining ice in some spots
Large portions of Antarctica are storing more snowfall than they once did.
- Materials Science
Lube Tune-Up: Motor oil from recycled plastic could improve automotive-fuel efficiency
Chemists have developed a technique for making high-performance lubricating oils from recycled plastic.
