A layered lake is a little like Earth’s early oceans − and lets researchers explore how oxygen built up in our atmosphere billions of years ago
An unusual lake with distinct layers of low-oxygen and high-iron water lets researchers investigate conditions like those in the early Earth’s oceans.
Oct. 23, 2023 • ~11 min
Climate change threatens spring wildflowers by speeding up the time when trees leaf out above them
Many beloved wildflowers bloom in early spring, while trees are still bare and the flowers have access to sunlight. Climate change is throwing trees and wildflowers out of sync.
March 14, 2023 • ~9 min
Trees aren't a climate change cure-all – 2 new studies on the life and death of trees in a warming world show why
More carbon dioxide in the air doesn’t necessarily mean more growth for trees, and the increasing risk of wildfires and drought has major consequences, as an interactive map shows.
May 12, 2022 • ~8 min
Redwood trees have two types of leaves, scientists find – a trait that could help them survive in a changing climate
New research shows that coast redwood trees have a surprising adaptation that helps then thrive in both wet and dry environments.
April 13, 2022 • ~10 min
Arctic greening won’t save the climate – here’s why
The growing season on the tundra is starting earlier as the planet warms, but the plants aren’t sequestering more carbon, a new study finds.
March 29, 2022 • ~7 min
Why do plants grow straight?
Plants need light to feed themselves, so they grow in ways that help them collect as much of it as they can. Sometimes that’s straight up, but not always.
Jan. 17, 2022 • ~4 min
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