431 results
431 results for: grassland
- Anthropology
Seven footprints may be the oldest evidence of humans on the Arabian Peninsula
In what’s now desert, people and other animals stopped to drink at a lake more than 100,000 years ago, a new study suggests.
- Anthropology
An ancient social safety net in Africa was built on beads
A Stone Age network of communities across southern Africans was established using ostrich shell beads by around 33,000 years ago.
- Ecosystems
Will Australia’s forests bounce back after devastating fires?
Intense bushfires that have blazed down Australia’s eastern coast could have long-lasting effects on the continent’s unique plants and animals.
- Archaeology
A Siberian cave contains clues about two epic Neandertal treks
Stone tools and DNA illuminate an earlier and a later journey eastward across Asia.
- Climate
5 things to know about fighting climate change by planting trees
One group’s idea of planting vast swaths of trees to curb climate change exaggerates the proposal’s power to trap carbon, some argue.
- 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.
- 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.
- Humans
DNA indicates how ancient migrations shaped South Asian languages and farming
Farming in the region may have sprung up locally, while herders from afar sparked language changes.
- Ecosystems
Planting trees could buy more time to fight climate change than thought
Earth has nearly a billion hectares suitable for new forests to start trapping carbon, a study finds.
- 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.
- Plants
Some plants use hairy roots and acid to access nutrients in rock
Shrubs in mountainous areas of Brazil have specialized roots that secrete chemicals to extract phosphorus from rock.
- 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.
