Science News Archive - August 26, 2006
Even the simplest of social creatures - single-celled amoebae - have the ability not only to recognize their own family members but also to selectively discriminate in favor of them.
BEIJING (Reuters) - Acid rain caused by sulphur dioxide spewed from factories and power plants affected a third of China's vast land mass last year, posing a threat to food safety, Xinhua news agency said citing a parliamentary report.
- The act of burning, scorching, or heating to dryness; the state or being thus heated or dried.
- In medicine, cauterization.