2,429 results
2,429 results for: mutations
- Humans
Science News of the Year 2005
A review of important scientific achievements reported in Science News during the year 2005.
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Learning to Listen
Disparate groups of creatures, including bats, toothed whales, and birds, have evolved biological sonar that they use to track prey, but other creatures have evolved ways to detect this sonar and thereby increase their odds of survival.
- Materials Science
Something to Chew On
Researchers are closer than ever to making synthetic enamel to improve dental implants and perhaps to grow a whole tooth from scratch.
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Clearing Up Blurry Vision: Scientists gaze toward causes of myopia
Scientists are beginning to unravel the genetic mechanism that causes nearsightedness.
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Milked enzyme thwarts muscle disorder
Using an enzyme made in rabbit's milk, scientists have successfully treated a rare genetic disorder.
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Sunny Solution: Lotion speeds DNA repair, protects mice from skin cancer
Snippets of DNA that activate a cell's DNA repair process may protect mice from skin cancer caused by ultraviolet radiation.
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Bubble Trouble: Mad cow proteins may hitch a ride between cells
Prions, the proteins behind mad cow disease, may travel between cells in bubbles called exosomes.
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A Matter of Taste: Mutated fruit flies bypass the salt
By creating mutant fruit flies with an impaired capacity to taste salt, researchers have identified several genes that contribute to this sensory system in insects.
- Ecosystems
One-Celled Socialites
A wave of research on the social lives of bacteria offers insights into the evolution of cooperation and may lead to medical breakthroughs that neutralize virulent bacterial strains.
- Anthropology
Y Trail of the First Americans: DNA data point to late New World entry
Scientists identified a gene variant on the Y chromosome that allowed them to estimate that people first reached the Americas no earlier than about 18,000 years ago.
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First Plant Genome Thrills Biologists
The unveiling of the genetic blueprint of the tiny thale cress ushers in a new era in plant biology.
- Health & Medicine
Zealous Adherence: Erratic HIV therapy hasn’t fueled resistance
Among people infected with HIV, those who don't consistently take their antiretroviral drugs as prescribed are no more likely to develop drug-resistant HIV than are patients who adhere to their treatment schedule.
