A new case report provides the first account of "face blindness" emerging after a COVID-19 infection.
The vaccine protects the marsupials from the sexually transmitted disease, which can lead to blindness, infertility and death.
Intense solar storms may have delivered Earth its earliest building blocks of life, new research suggests.
Footprints belonging to Homo heidelbergensis adults and children suggest that these human relatives foraged and played on the shores of a lake where prehistoric beasts gathered to drink.