420 results
420 results for: grassland
- Archaeology
Excavations show hunter-gatherers lived in the Amazon more than 10,000 years ago
Early foragers may have laid the foundation for farming’s ascent in South America’s tropical forests.
- Animals
Hippo poop cycles silicon through the East African environment
By chowing down on grass and then excreting into rivers and lakes, hippos play a big role in transporting a nutrient crucial to the food web.
- Genetics
DNA reveals early mating between Asian herders and European farmers
A new genetic analysis could upend assumptions about the origins of Indo-European languages.
- Life
We’ve lost 3 billion birds since 1970 in North America
Scientists estimated the change in total number of individual birds since 1970. They found profound losses spread among rare and common birds alike.
- Life
Connecting our dwindling natural habitats could help preserve plant diversity
As pristine habitats shrink worldwide, a massive, 18-year experiment suggests that linking up what's left with natural corridors could help ecosystems retain plant diversity.
- Animals
‘Epic Yellowstone’ captures the thriving ecosystem of the world-famous park
A new documentary series about Yellowstone displays the dynamic, dramatic and exciting ecosystem that thrives within the park’s gates.
- Anthropology
Hominids may have been cutting-edge tool makers 2.6 million years ago
Contested finds point to a sharp shift in toolmaking by early members of the Homo genus.
- Ecosystems
Moonlight shapes how some animals move, grow and even sing
The moon’s light influences lion prey behavior, dung beetle navigation, fish growth, mass migrations and birdsong.
- Climate
Development near natural areas puts more Californians in the path of wildfires
As urbanization extends its reach into once-natural areas, more homes and people are at risk from wildfires.
- Climate
Rising CO2 levels might not be as good for plants as we thought
A 20-year experiment spots a reversal in the way two kinds of plants take up extra carbon from the atmosphere.
- Life
1 million species are under threat. Here are 5 ways we speed up extinctions
One million of the world’s plant and animal species are now under threat of extinction, a new report finds.
- Ecosystems
War wrecked an African ecosystem. Ecologists are trying to restore it
Bringing back big predators to Gorongosa, once a wildlife paradise in Mozambique, is just one piece of the puzzle in undoing the damage there.
