Human behaviour.

This section offers world news briefs. Japan plans to boost security around its embassy in London, England after an anti-whaling protester trespassed and chained himself to the embassy's balcony. A British expedition has rediscovered Beck's petrel, a rare sea bird not sighted since the 1920s and believed to be extinct, in waters off Papua New Guinea. Chinese Premier Wen Jiabao says China will stick with its strict family planning rules, specifically its one-child policy.