Uncategorized
- Health & Medicine
Checkmate for a Child-Killer?
If a new generation of vaccines pans out, the days of rotavirus, which kills at least 450,000 infants and children every year by causing severe diarrhea, may be numbered.
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Breathless: Reef fish cope with low oxygen
A coral reef may look like a high-oxygen paradise, but the first respiration tests of fish there show an unexpected tolerance for low oxygen.
- Archaeology
Origins of Smelting: Lake yields core of pre-Inca silver making
Metal concentrations in soil extracted from a Bolivian lake indicate that silver production in the region began 1,000 years ago, 4 centuries before well-known silver-making efforts by the Incas.
