Air pollution in Pakistan's second biggest city Lahore soared on Saturday, with an official calling it a record high for the smog-choked mega city.
For days, the city of 14 million people has been enveloped by smog,...
An international team of paleobiologists have found that the sinuses of ocean-dwelling relatives of modern-day crocodiles prevented them from evolving into deep divers like whales and dolphins.
A new paper published today in Royal Society Open Science...