German Chancellor Angela Merkel
Schools are under pressure
Two members of the Dixie Chicks
This microscope image shows human colon cancer cells.
Research workflow on a vaccine for the coronavirus
Remdesivir is a drug used to shorten recovery time for severely ill COVID-19 patients.
A medical worker gets ready to collect a sample from a man
Fireworks over the night sky.
An artist’s visualization of the K2-138 system
Checks at the Italian-Swiss border