Uncategorized
- Chemistry
Bacterium grows with arsenic
A microbe appears to substitute a normally toxic element for a basic ingredient of life, raising intriguing questions about the limits of biochemistry.
- Humans
Food security wanes as world warms
Global warming may have begun outpacing the ability of farmers to adapt, new studies report.
- Space
It’s really full of stars
Astronomers find such an abundance of red dwarfs in eight nearby galaxies that they suggest the stellar population of the universe may be three times current estimates.
- Life
Dieting may plant seeds of weight regain
Cutting calories causes changes in the brains of mice that appear to encourage binge eating under stressful conditions years later.
