2,475 results
2,475 results for: mutations
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- Chemistry
FBI reveals more details of anthrax investigation
A panel of scientists involved in the anthrax investigations released new details.
- Life
Finding health in fragility
A unifying principle for protein networks' weaknesses could aid development of new drugs.
- Health & Medicine
Older, not better
Having an older father might increase a person’s risk of developing bipolar disorder, a large population survey finds.
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- Health & Medicine
Closing in on Rett syndrome
Scientists find that a particular part of the mouse brain is responsible for behavioral abnormalities associated with Rett syndrome, an autism spectrum disease that strikes females.
- Life
Safer creation of stem cells
A new technique for converting adult cells to stem cells avoids dangerous mutations in cell DNA
- Life
X chromosome is extra diverse
Men who father children with multiple women are responsible for “extra” diversity on the X chromosome, a new study of six different populations suggests.
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- Life
A better understanding of inherited breast cancer
New studies on a type of inherited breast cancer identify a key factor with different roles in different cancers.
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18938
In grad school, I read and learned from Ernst Mayr’s Populations, Species, and Evolution (1963, 1970, Harvard University Press). I think that “Alarming butterflies and go-getter fish” extremely simplifies Mayr’s position on speciation. The article says that Mayr focuses solely on geographic separation, “allopathic speciation.” This ignores the fact that Mayr discussed a variety of […]
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