6,170 results
- Health & Medicine
Pig-cell grafts ease symptoms of Parkinson’s
Pig brain cells transplanted into the brains of patients with advanced Parkinson's disease help some of the patients regain mobility and the ability to do basic tasks.
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For geneticists, interference becomes an asset
A new method of disrupting genes, called RNA interference, works in mouse cells.
- Humans
Message in DNA tops Science Talent Search
A project on encrypting words within a strand of DNA won the top prize at the Intel Science Talent Search.
- Health & Medicine
Fused cells hold promise of cancer vaccines
A vaccine composed of tumor cells fused to immune cells has helped several people survive advanced kidney cancer.
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Testosterone shows hurtful, helpful sides
A small but significant portion of men taking large doses of testosterone experience mania, although moderate doses of the male sex hormone show promise in boosting the mood and sex drive of HIV-infected men.
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Science News of the Year 2002
A review of important scientific achievements reported in Science News during the year 2002.
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Science News of the Year 2002
A review of important scientific achievements reported in Science News during the year 2002.
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Small Wonder: Microbial hitchhiker has few genes
Scientists have identified a microbe with remarkably few genes living on another microbe on the ocean floor.
- Health & Medicine
Kill or Be Killed: Tumor protein offs patrolling immune cells
Many human cancers may evade surveillance by exploiting a protein normally found on certain immune cells.
- Health & Medicine
Diluted smallpox vaccine is potent
About 15 million doses of smallpox vaccine held by the U.S. government can be diluted to one-tenth their original concentration and still be effective for immunizing people.
- Health & Medicine
Scrambled Drugs: Transgenic chickens could lay golden eggs
Scientists have created transgenic chickens able to produce foreign proteins—and, potentially, pharmaceuticals—in their eggs.
- Health & Medicine
Virus in transplanted hearts bodes ill
Pediatric heart-transplant recipients who acquire a viral infection in the heart fare poorly over the long term.
