Researchers fabricate phase-heterojunction all-inorganic perovskite solar cells with an efficiency above 21.5%.
Dec 12, 2023 Dirty air is linked to smaller babies across huge swathes of Asia and Africa Exposure to high levels of ozone causes mothers in low- and middle-income countries to give birth to infants with a low birth weight. Exposure to high levels of ozone causes mothers in low- and middle-income countries to give birth to infants with a low birth weight.
Feb 15, 2024 After a decade and $1.2 billion, NASA reveals its booty from Bennu: 121 grams A long way, and a lot of money, for half a cup.