2,448 results
2,448 results for: mutations
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Sound Off
By using bits of RNA to eliminate the effects of selected genes, scientists are developing new ways to study gene function and treat diseases.
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Two-handed protein may protect DNA
An unusually shaped protein may help a bacterium thrive in tough times.
- Archaeology
Rat DNA points to Pacific migrations
An analysis of mitochondrial DNA from Pacific rats supports a theory that ancestors of today's Polynesians migrated from Southeast Asia to a string of South Pacific islands in at least two separate dispersals.
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Cancer Flip-Flop: Gene acts in both proliferation and control of growth
Scientists have identified what might be a new class of cancer-controlling genes that alternates between halting and promoting cancer.
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Teams implicate new gene in prostate cancer
A newly discovered gene may, in rare cases, cause prostate cancer or, more commonly, raise a man's risk of developing the disease.
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Human genes take evolutionary turns
Researchers have identified a set of genes that has evolved an extensive pattern of alterations unique to people.
- Health & Medicine
Bug bites suggest new stroke drug
Changing a human enzyme so that it resembles one from blood-sucking insects may lead to a new treatment for strokes.
- Anthropology
In the Neandertal Mind
Neandertals possessed much the same mental capacity as ancient people did, but a genetically inspired memory boost toward the end of the Stone Age may have allowed Homo sapiens to prosper while Neandertals died out.
- Health & Medicine
Figuring Out Fibroids
Researchers now have a better understanding of which women develop fibroids and what causes them.
- Health & Medicine
Assault on Autism
A shift in scientific thinking about what causes autism is prompting a closer look at potential environmental factors.
- Humans
Science News of the Year 2005
A review of important scientific achievements reported in Science News during the year 2005.
