Search Results for: grassland

Climate

A UN report says stopping climate change is possible but action is needed now

We already have a broad array of tools to reduce global greenhouse gas emissions in half by 2030, a new report finds. Now we just have to use them.

Life

Some songbirds now migrate east to west. Climate change may play a role

In recent decades, more Richard's pipits are wintering in Europe than before. It may signal the establishment of a totally new migration route.

Health & Medicine

The body’s response to allergic asthma also helps protect against COVID-19

A protein called IL-13 mounts defenses that include virus-trapping mucus and armor that shields airway cells from infection.

Archaeology

Clovis hunters’ reputation as mammoth killers takes a hit

Early Americans’ stone points were best suited to butchering the huge beasts’ carcasses, scientists contend.

Animals

Huge numbers of fish-eating jaguars prowl Brazil’s wetlands

Jaguars in the northern Pantanal ecosystem primarily feed on fish and caiman, living at densities previously unknown for the species.

Archaeology

The world’s oldest pants stitched together cultures from across Asia

A re-creation of a 3,000-year-old horseman’s trousers helped scientists unravel its complex origins.

Archaeology

Ivory from a 16th century shipwreck reveals new details about African elephants

Ivory from the sunken Portuguese trading ship Bom Jesus contains clues about elephant herds that once roamed Africa, and the people who hunted them.

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.

Paleontology

Why South America’s ancient mammals may have lost out to northern counterparts

When North and South America joined millions of years ago, mammals from the north fared better in the meetup. Extinctions in the south may be why.

Earth

Mixing trees and crops can help both farmers and the climate

Agriculture is a major driver of climate change and biodiversity loss. But integrating trees into farming practices can boost food production, store carbon and save species.

Humans

Fossils and ancient DNA paint a vibrant picture of human origins

Paleoanthropologists have sketched a rough timeline of how human evolution played out, centering the early action in Africa.