429 results
429 results for: grassland
- Archaeology
How Asia’s first nomadic empire broke the rules of imperial expansion
New studies reveal clues to how mobile rulers assembled a multiethnic empire of herders known as the Xiongnu more than 2,000 years ago.
- Ecosystems
The Amazon might not have a ‘tipping point.’ But it’s still in trouble
Scientists race to foretell the fate of the vast forest facing deforestation and climate change.
- Climate
Greta Thunberg’s new book urges the world to take climate action now
Greta Thunberg's ‘The Climate Book’ covers the basic science of climate change, the history of denialism and inaction, environmental justice and solutions.
- Genetics
Ancient DNA unveils Siberian Neandertals’ small-scale social lives
Females often moved into their mate’s communities, which totaled about 20 individuals, researchers say.
- Life
Moths pollinate clover flowers at night, after bees have gone home
Camera footage reveals that moths make roughly a third of the visits to red clover, highlighting the overlooked role of nighttime pollinators.
- Science & Society
Russia’s invasion could cause long-term harm to Ukraine’s prized soil
War will physically and chemically damage Ukraine’s prized, highly fertile chernozem soils. The impacts on agriculture could last for years.
- Archaeology
Lasers reveal ancient urban sprawl hidden in the Amazon
South America’s Casarabe culture built a network of large and small settlements in what’s now Bolivia centuries before the Spanish arrived.
- Animals
Baby marmosets may practice their first distinctive cries in the womb
Ultrasounds tracking fetal mouth movements in baby marmosets pinpoint the early development of the motor skills needed for vocalization.
- Health & Medicine
The body’s response to allergic asthma also helps protect against COVID-19
A protein called IL-13 mounts defenses that include virus-trapping mucus and armor that shields airway cells from infection.
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- Climate
A UN report says stopping climate change is possible but action is needed now
We already have a broad array of tools to reduce global greenhouse gas emissions in half by 2030, a new report finds. Now we just have to use them.
- Archaeology
The world’s oldest pants stitched together cultures from across Asia
A re-creation of a 3,000-year-old horseman’s trousers helped scientists unravel its complex origins.
