Search Results for: grassland
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423 results for: grassland
- 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.
By Jeremy Rehm - 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.
- Anthropology
Finger fossil puts people in Arabia at least 86,000 years ago
A desert discovery suggests that Arabia was an ancient human destination.
By Bruce Bower - Life
Horses buck evolutionary ideas
Horse evolution doesn’t fit classic scenario of trait evolution.
- 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.
By Bruce Bower - Life
How horses lost their toes
Fossils reveal that as horses evolved to have fewer toes, they also got stronger and faster.
- Archaeology
Ancient dental plaque tells tales of Neandertal diet and disease
Researchers have reconstructed the diet and disease history of ancient Neandertals.
- 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.
- Archaeology
Ancient dental plaque tells tales of Neandertal diet and disease
Researchers have reconstructed the diet and disease history of ancient Neandertals.
- Ecosystems
In debate over origin of fairy circles, both sides might be right
Odd bare spots called fairy circles in African grasslands might be caused by both termites and plants.
By Susan Milius