Uncategorized
- Earth
Germs Begone: New technology cleans dangerous water
For a penny per liter, people in the developing world should be able to remove most pathogens and toxic pollutants from their home drinking water.
- Animals
African cicadas warm up before singing
The first tests of temperature control in African cicadas have found species with a strategy that hogs energy but reduces the risk of predators.
- Earth
Lead delays puberty
Even low concentrations of lead in a girl's body may delay her reproductive maturation.
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Calling out the cell undertakers
Dying cells secrete chemicals that attract other cells that specialize in disposing of cellular corpses.
