News
- Chemistry
Bitter truth about beer comes to a head
Chemists have figured out exactly how beers develop a skunky flavor and smell.
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Female chimps don’t stray in mate search
Genetic testing of chimpanzees living in western Africa indicates that females usually seek mates within their home communities, a finding that contradicts some previous reports.
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Gene influences density of the skeleton
The mutated gene responsible for a rare bone disorder has been found.
- Astronomy
Age of the universe: A new determination
Analyzing the faint glow left over from the Big Bang, scientists report measuring the age of the cosmos with unprecedented accuracy—14 billion years, accurate to within half a billion years.
