News
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Transplant reroutes cells from sperm to eggs
Fish cells destined to become sperm can become eggs when transplanted into larvae.
- Earth
Finding dirty diesels
Just a few diesel-fueled vehicles account for much of traffic-related soot.
- Tech
New View: Speedy microscope takes fuller look at the nanoworld
Action movies of molecules and a better feel for microscopic surfaces could flow from a radically revised version of the atomic-force microscope.
- Health & Medicine
Looking Ahead: Tests might predict Alzheimer’s risk
Two tests show promise in detecting Alzheimer's disease or other cognitive impairment years before symptoms arise.
