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.
- A coin originally worth six pennies Scots, and later three; held equivalent to an English halfpenny.
- (in plural) Money; cash.