2,458 results
2,458 results for: mutations
- Health & Medicine
An Exploitable Mutation: Defect might make some lung cancers treatable
Nonsmokers who develop lung cancer are more likely than their smoking counterparts to have a mutation in the gene encoding epidermal growth factor receptor.
- Health & Medicine
Motor Ways: Gene mutation impairs muscle coordination
Scientists have identified a gene mutation that appears to cause the motor impairment that occurs in a rare disorder called Joubert syndrome.
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Roma Record: Paths of the Gypsy population’s diasporas
Tracking genetic mutations has given researchers a tentative picture of the migration patterns of the Roma, or Gypsies, over the last millennium.
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Cavefish blinded by gene expression
New evidence supports the theory that Mexican blind cavefish are sightless by evolutionary selection, not chance.
- Chemistry
Microbes Make the Switch: Tailored bacteria need caffeine product to survive
Bacteria that rely on a chemical derived from the breakdown of caffeine for their survival could help lead to the development of decaffeinated coffee plants.
- Animals
Dangerous Times: Guppies don’t follow rules for old age
A study of wild guppies suggests that life in a dangerous place does not automatically push evolution toward rapid aging as previously thought.
- Health & Medicine
Persistent Cough: Pertussis rises in young adults and infants
Pertussis, or whooping cough, appears to be rebounding in many age groups, causing long-lasting symptoms in adolescents and adults and threatening the lives of unvaccinated infants.
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Clock genes regulate blood sugar
Circadian-clock genes may play an important role in governing the body's metabolism of dietary sugars and fats.
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Kibble for Thought: Dog diversity prompts new evolution theory
A genetic mutation that researchers have examined in several dog breeds may drive evolution in many other species.
- Health & Medicine
Expanding the therapeutic arsenal
Two experimental drugs can send chronic myeloid leukemia into remission in patients who don't benefit from the best currently available drugs.
- Math
When Laziness Pays: Math explains how cooperation and cheating evolve
Researchers have developed a mathematical model that helps explain how cooperation and cheating evolve among simple organisms.
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Getting to gray hair’s roots
Scientists have unveiled a root cause for why hair goes gray.
