America has gone from having the strongest job market in decades to the very opposite during the pandemic. For older workers who have lost their jobs this year, the state of the labor market makes it harder to get rehired as the economy recovers, forcing many Americans to retire early.
A new treatment could restore some mobility in people paralyzed by strokes 
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This robot automatically tucks its limbs to squeeze through spaces 
Greta Thunberg’s new book urges the world to take climate action now 
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A chemical imbalance doesn’t explain depression. So what does?