Duo was fatally hit by a Tesla Cybertruck, the language-learning company announced this week. The snarky owl has been the face of Duolingo for over a decade. Why his sudden demise, and what's next?

Non-active site mutations such as L50F are crucial for restoring the viral fitness of SARS-CoV-2 main protease. Here, the authors use full-length Mpro protein as substrate and demonstrate that ...

After the preschool years, kids still like cartoons, but they want something more complex than straightforward messages about friendship and sharing. They like a bit of conflict, some bad guys (who ...

Welcome to this week’s ForbesWomen newsletter, which every Thursday brings news about the world’s top female entrepreneurs, leaders and investors straight to your inbox.

The world is still working hard to prevent the resurgence of the COVID-19 pandemic ... No country can exist in isolation. Developing countries will also be hard hit if this step is not reversed.

How Long Does COVID Last? You may wonder if COVID-19 is still a thing or how long an infection lasts, especially if you're having symptoms. For most people with mild infections, COVID goes away ...

COVID-19 is at a low level in the community. Read the latest data from NSW Health. Continue to protect other people. Please stay home if you have any cold or flu symptoms. Wear a mask if you need to ...

The lives of some vulnerable aged-care residents could have been saved during a devastating COVID-19 outbreak that ripped through an aged-care home if not for missteps and leadership failures.

Sudanese officials and government sources have revealed ongoing efforts to track and recover stolen Sudanese artefacts from several museums, particularly those that have passed through South Sudan or ...