Air pollution costs $2.9 trillion a year: NGO

The global cost of air pollution caused by fossil fuels is $8 billion a day, or roughly 3.3 percent of the entire world's economic output, an environmental research group said on Wednesday.

Researchers discover the secret to bats' immunity

An international research team led by Duke-NUS Medical School, Singapore, has identified molecular and genetic mechanisms that allow bats to stay healthy while hosting viruses that kill other animals, according to a new study ...