430 results
430 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.
- 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.
- 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.
- 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.
- 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.
- Ecosystems
How mammoths competed with other animals and lost
Mammoths, mastodons and other ancient elephants were wiped out at the end of the last ice age by climate change and spear-wielding humans.
- Climate
Why won’t this debate about an ancient cold snap die?
Critics are still unconvinced that a comet caused a mysterious cold snap 12,800 years ago.
- 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.
- Anthropology
Finger fossil puts people in Arabia at least 86,000 years ago
A desert discovery suggests that Arabia was an ancient human destination.
- Archaeology
How Asian nomadic herders built new Bronze Age cultures
Ancient steppe herders traveled into Europe and Asia, leaving their molecular mark and building Bronze Age cultures.
- Life
How horses lost their toes
Fossils reveal that as horses evolved to have fewer toes, they also got stronger and faster.
