Search Results for: mutations
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2,451 results for: mutations
- Humans
A Cancer Patient’s Best Friend
Similarities between tumors in people and dogs mean canine studies can inform human disease.
By Laura Beil - Science & Society
Scientists take on Twitter
Social media comes into its own as a tool and a subject for study.
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Letters
Bull’s-eye targeted On the picture in “Galactic bull’s-eye” (SN: 9/24/11, p. 10), I am quite puzzled. Do my eyes deceive me, or is there another bull’s-eye galaxy behind the first, located at the 1 o’clock position? How is this possible? Are these strange objects magically clustered along some line pointing towards us? Jeff Brewer, Newton […]
By Science News - Life
You have grandpa’s chromosome tips
Older fathers pass more gene-protecting DNA to their paternal grandkids.
- Life
Select cells appear to spawn tumors
Separate studies support the theory that stem cells cause cancers to emerge and recur.
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Science News Top 25
Science News reviews the year in science with a compilation and analysis of the most fascinating stories reported in the magazine. Also highlighted are reader favorites, debunked science and the year's weirdest stories.
By Science News -
- Health & Medicine
Proliferation protein goes rogue in lung cancer
Rac1b might promote malignancy, could be a target for treatment.
By Nathan Seppa - 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
Space trek may help worms live long
After 11 days in orbit, nematodes showed signs of slower aging.
- Life
Polar bears’ ancient roots pushed way back
Full genetic blueprints suggest the animals split from brown bears millions of years ago.
By Devin Powell - Life
DNA switches tied to non-Hodgkin lymphoma
Genetic defects lead to altered activity in other genes.