Numbers

58.3DEG Global average surface temperature, in Fahrenheit, in 2005--the hottest year on record

10,000 Years since the earth has been this hot, according to estimates from NASA scientists

2 billion Trips made by Chinese for the lunar New Year holiday, which began Jan. 29--the largest annual migration of humans

50% Seasonal jump in adult-diaper sales in some Chinese supermarkets because of limited toilet access on packed trains

$600 million Amount pledged last week by the Bill & Melinda Gates Foundation to fight tuberculosis worldwide

1/3 Portion of the world population carrying the TB bacillus; it kills 1.7 million annually

0.31 in. Length of Paedocypris progenetica, the world's smallest fish, whose discovery was announced last week

3 The pH level of the fish's Indonesian swamp habitat, which is 100 times more acidic than rain

Sources: AP (4); Xinhua; Reuters; World Health Organization; AFP