2,470 results
2,470 results for: mutations
- Humans
Letters from the May 21, 2005, issue of Science News
Rascal rabbits Evidence of animals sensing where people are looking and what they’re seeing is interesting yet hardly new (“Monkey See, Monkey Think: Grape thefts instigate debate on primate’s mind,” SN: 3/12/05, p. 163). For years, I have observed that wild rabbits will remain motionless as long as I stare in their direction. But as […]
- Health & Medicine
Prion mutation yields disease marked by diarrhea
Rare prion ailment starts in adulthood, attacking the gut before brain.
- Health & Medicine
Old drug, new tricks
Metformin, cheap and widely used for diabetes, takes a swipe at cancer.
- Neuroscience
The Inconstant Gardener
Microglia, the same immune cells that help sculpt the developing brain, may do damage later in life .
- Life
Genes & Cells
Gene therapy for dogs, plus an HIV gatekeeper and new neurons from skin in this week’s news.
- Life
Holding back evolution
Gene mutations that are beneficial on their own combine to slow down progress, new bacterial experiments show.
- Health & Medicine
Drug prevents some breast cancers
A hormone-blocking compound can waylay some malignancies in healthy women who are deemed at risk.
- Humans
Human mutation rate slower than thought
First direct measurements show that the number of genetic typos inherited from each parent can be highly skewed toward either mom or dad.
- Life
New gene therapy fixes mistakes
For the first time scientists have repaired a damaged gene in a living mouse.
- Life
Genes & Cells
A sticky E. coli outbreak, clues to pancreatic cancer and a double whammy that leads to cancer in this week's news.
- Math
Varying efficacy of HIV drug cocktails explained
Steepness of slope in dose-response curve tips off researchers to importance of timing in virus’s life cycle.
- Life
Genes & Cells
Human livers implanted in mice, plus new eye of newt, the potato genome and more in this week’s news.
