Search Results for: grassland

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

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.

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.

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.

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.

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.

Life

How horses lost their toes

Fossils reveal that as horses evolved to have fewer toes, they also got stronger and faster.