All Stories by Christen Brownlee
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Engineering a Cure: Genetically modified cells fight cancer
By inserting a gene into normal immune cells isolated from melanoma patients, scientists have turned the cells into cancer fighters.
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Sperm in frozen animals still viable years later
Sperm stored inside frozen organs or whole animals can produce healthy offspring years later.
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Sweet Finding: Researchers propose candidate sour sensor
A protein on the surfaces of select tongue cells may play a pivotal role in detecting sour taste.
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Unusual tumor is contagious in dogs
A type of cancer in dogs is transferred from animal to animal by exchange of cancer cells.
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Bad Vibrations? Ultrasound disturbs mouse brains
Prolonged and frequent use of fetal ultrasound might lead to abnormal fetal brain development, a study in mice suggests.
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Blood clot protein is stretchiest natural fiber ever found
The protein that forms the backbone of blood clots can stretch to several times its own length and then snap back to its original size.
- Health & Medicine
Scientists find midnight-snack center in brain
Researchers have tracked down the location of a body clock that appears to be regulated by food.
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Old Mice and Men: Species share genetic markers of aging
The amounts of protein produced by a particular set of genes could give researchers clues to how much a person or another animal has aged.
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Gender Divide: Gene expression differs in males and females
The two sexes vary in the amounts of proteins produced by thousands of genes.
- Health & Medicine
Ingredient might prevent sexually transmitted disease
A seaweed derivative that's commonly added to many consumer products as a thickening agent can inhibit the virus that causes cervical cancer and genital warts.
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Mammoths: Blondes and brunettes?
The wool of woolly mammoths may have come in at least two shades.
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Bringing Up Baby’s DNA
Researchers are developing ways to harvest babies' genes in less invasive ways.
