2,441 results
2,441 results for: mutations
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Emotional memory
The action of a stress hormone could be why emotionally charged events form especially vivid and durable memories.
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New World Stopover: People may have entered the Americas in stages
People first reached the edge of the Americas about 40,000 years ago but had to stay put for at least 20,000 years before melting ice sheets allowed them to move south and settle the rest of the continent.
- Health & Medicine
Taking Cancer’s Fingerprint: Rapid genetic profiling for personalized therapy
A new, faster way to identify cancer-causing mutations in the DNA of tumor cells may pave the way for the next generation of custom-tailored cancer therapies.
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No gene is an island
Even as biologists catalog the discrete parts of life forms, an emerging picture reveals that life’s functions arise from interconnectedness.
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Not so Silent: Mutation alters protein but not its components
A single swap in the letters of a gene's sequence could modify the protein it encodes, even if it doesn't change which amino acids make up the molecule.
- Life
Epic Genetics
The way genes are packaged by "epigenetic" changes may play a major role in the risk of addiction, depression and other mental disorders.
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Not Like Clockwork: High-fat diet disrupts daily routines of mice
Fatty diets disrupt the sleep and metabolic cycles of mice by changing the activity of genes.
- Health & Medicine
Let there be light
Researchers report restoring vision to people with a rare, genetic form of blindness. A different technique helped blind mice see again and could bring back some sight in people with macular degeneration, retinitis pigmentosa or other blinding diseases.
- Math
The Power of Being Influenced
Network theory shows that the best way to spread ideas is to focus on people who are influenced rather than the influential.
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Novel DNA changes linked to autism
Genetic alterations that occur in children without being inherited from the parents contribute to certain cases of autism and related developmental disorders.
- Humans
From the February 5, 1938, issue
Tiny shells test lenses, the rules of radioactivity, and discovering new lunar terrain.
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Hold the Embryos: Genes turn skin into stem cells
Scientists have found a way to convert a person's skin cells directly into stem cells without creating and destroying embryos.
