2,444 results
2,444 results for: mutations
- 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.
-
Drug-resistance gene found—again
A mutant gene confers resistance to chloroquine upon parasites that cause malaria.
- Chemistry
Making a Little Progress
Scientists are using nanotechnology to develop new strategies for diagnosing and treating cancer.
- 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.
-
Code of Many Colors
Researchers have yet to find markers for race in the genome, but understanding the biology underlying perceptions of race could have dramatic social and personal consequences.
- Tech
Gene Screen: Ultrasensitive nanowires catch mutations
Researchers have devised a nanowire sensor that binds to DNA molecules and produces an electrical signal almost instantaneously.
- Health & Medicine
New test may spot colon cancer early
An experimental test for colon cancer may detect the disease at a treatable stage more accurately than current, noninvasive screening techniques.
- Humans
Mouse Mourned: Yoda dies at age 4
An age-defying laboratory mouse known as Yoda died peacefully in his cage in Ann Arbor, Mich., on April 22, at the age of 4 years and 12 days.
-
Cavefish blinded by gene expression
New evidence supports the theory that Mexican blind cavefish are sightless by evolutionary selection, not chance.
- Anthropology
Evolution’s Lost Bite: Gene change tied to ancestral brain gains
In a controversial new report, a research team proposes that an inactivating gene mutation unique to people emerged around 2.4 million years ago and, by decreasing the size of jaw muscles, set the stage for brain expansion in our direct ancestors.
- Anthropology
‘Y guy’ steps into human-evolution debate
The common ancestor of today's males lived in Africa between 35,000 and 89,000 years ago, according to a contested DNA analysis.
-
Comfortably Numb
Scientists are finding the molecular targets of anesthetics.
