The average PM2.5 concentrations over the October-March period declined 15 percent from a year earlier to 61 micrograms per cubic metre, as per reports
According to the researchers, the area around south-eastern Morocco was home to predators such as Carcharodontosaurus, Pterosaurs and freshwater sharks nearly 100 million years ago
On April 24, China entered the second phase of clinical trials for coronavirus vaccine. The country has finalized candidates for testing three vaccines