Among the top news today: The U.S. is nearing an average of 200,000 new COVID-19 cases a day and the pandemic is likely to worsen for the next four to six weeks.
Among the top news today: The U.S. is nearing an average of 200,000 new COVID-19 cases a day and the pandemic is likely to worsen for the next four to six weeks.
A new treatment could restore some mobility in people paralyzed by strokes 
What has Perseverance found in two years on Mars? 
This robot automatically tucks its limbs to squeeze through spaces 
Greta Thunberg’s new book urges the world to take climate action now 
Glassy eyes may help young crustaceans hide from predators in plain sight 
A chemical imbalance doesn’t explain depression. So what does?