The Earth’s population has reached a milestone by surpassing 8 billion people, the United Nations said this week. But the rate of increase is falling, and global population may begin to decline late in the century after topping out...
A Covid-like virus lurking in Russian bats could jump to humans, scientists warned today. American virologists who carried out experiments on the pathogen — called Khosta-2 — fear it is 'completely resistant' to vaccines deployed during the pandemic. They...
