Coronavirus: Plan to exit lockdown ‘cautious but irreversible’, says Boris Johnson

The president of the United States, Donald Trump, tested positive for covid-19 and within 24 hours had received an...

Pioneering scientists like Rothermel dealt with this intractable problem by ignoring it. Instead, they searched for factors, such as...

All viruses undergo random mutations to their genetic material. Any change that offers an advantage—like making the virus infect...

This was a year we needed technology to save us. A pandemic raced over the land, there were wildfires,...