An overweight dog naps by an open-air som tam (papaya salad) shop. The scent of chicken grilling over charcoal fills the lane. A chorus of children’s voices rings out from a schoolhouse. No one is wearing a mask, though an old man dons a straw hat on his bicycle.
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?