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Facebook's Libra may be quite attractive in developing countries
It takes years to fully recover from big storms like Sandy
Why lead is dangerous, and the damage it does
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Transgender and non-binary people face health care discrimination every day in the US
Don't stress about what kind of Christmas tree to buy, but reuse artificial trees and compost...
Time travel is possible – but only if you have an object with infinite mass
You may not even need a telescope to see Comet 46P/Wirtanen in the night sky this month
A vaccine that could block mosquitoes from transmitting malaria
Racial and ethnic minorities are more vulnerable to wildfires
How the ‘wave of women’ entering congress could turn the #MeToo movement into concrete action
Experiments with optical tweezers race to test the laws of quantum mechanics
Fighting another war: How many military personnel and veterans will have PTSD in 2025?
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How many women does it take to change a broken Congress?