Uncategorized
- Chemistry
A bit of fiber makes for sudsier beer
An understanding of bubbly beginnings points to a new way to foam up slow-pouring stout brews.
- Life
In evolution, last really can be first
By tracking bacteria for thousands of generations, researchers show how small DNA changes can eventually put underdogs on top.
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Body & Brain
Pack-a-day smoking habits are on the wane, plus Haitian cholera and omega-3s in this week’s news.
- Archaeology
Pueblo traded for chocolate big-time
New evidence of ancient Pueblo cacao drinking feeds a theory of long-distance trade.
- Humans
Record ozone thinning looms in Arctic
Depletion could expose the northern midlatitudes to higher-than-normal ultraviolet radiation in coming weeks.
