2,449 results
2,449 results for: mutations
- Health & Medicine
The Cancer of Dorian Gray
By studying mice that have been engineered to carry mutations in certain tumor-suppressing genes, researchers have identified a link between cancer and aging.
- Health & Medicine
Kidney Progress: Drug slows cyst growth
The trial drug roscovitine has been shown to reverse polycystic kidney disease in mice.
- Humans
Mutant Maps
Struck by an analogy between genetic mutations and flaws in antique printed documents, a biologist has devised a method to analyze such flaws to pinpoint publication dates of rare, undated documents.
- Health & Medicine
Malaria Reversal: Drug regains potency in African nation
An inexpensive drug that had lost much of its punch against malaria over the past 20 years is showing signs of regaining its strength in the African nation of Malawi.
- Earth
Hammered Saws
Sawfish, shark relatives that almost went extinct several decades ago, have now gained protection by international treaty.
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- Anthropology
Did small hominids have a genetic defect?
Miniature humans whose prehistoric remains were recently unearthed on an Indonesian island may have had a genetic disease known as Laron syndrome.
- Anthropology
Evolution persisted in agricultural era
Natural selection has continued to propagate survival-enhancing gene variants in human populations over the past 10,000 years, according to a new genetic analysis.
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Evolving genes may not size up brain
Two gene variants previously implicated in the evolution of human brain size apparently don't influence brain volumes in people today.
- Animals
Crickets on Mute: Hush falls as killer fly stalks singers
Within just 5 years, singing has nearly died out among a population of cricket on a Hawaiian island.
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19649
This article contained a very disturbing comment: “Neurologist Annette Langer-Gould of Stanford University says that even the 1-in-1,000 risk of PML [leukemia] ‘seems to outweigh the benefits’ that natalizumab would provide many patients.” Having a genetic mutation for which there is no treatment or cure and having (and having had) friends with MS, I am […]
- Humans
Science News of the Year 2007
A review of important scientific achievements reported in Science News during the past year.
