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Ibuprofen cuts Alzheimer protein build-up
The common nonprescription drug ibuprofen may lessen abnormal accumulation of beta-amyloid in the brain, perhaps explaining how the drug decreases the risk of developing Alzheimer's disease.
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Cleft-lip mutations may hinder virus
Having identified the mutated gene responsible for a syndrome involving cleft lip or palate, a research team finds that the recessive mutation also may confer an antiviral advantage to people who carry one copy of this gene.
- Chemistry
Ribosomes Reveal Their RNA Secrets
The first atomic-resolution map of a ribosome, a cell's protein factory, suggests that RNA catalyzes the formation of proteins.
- Math
Constructing Domino Portraits
In 1840, the Danish artist Christian Albrecht Jensen (1792–1870) was commissioned to paint a portrait of the renowned mathematician Carl Friedrich Gauss (1777–1855).
