Search Results for: grassland

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411 results
  1. 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.

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  2. 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.

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  3. 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.

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  4. 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.

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  5. 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.

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  6. 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.

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  7. Environment

    Why planting tons of trees isn’t enough to solve climate change

    Massive projects need much more planning and follow-through to succeed – and other tree protections need to happen too.

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  8. Ecosystems

    Wildfires launch microbes into the air. How big of a health risk is that?

    How does wildfire smoke move bacteria and fungi — and what harm might they do to people when they get there?

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  9. The human story

    A century ago, it wasn’t obvious where humans got their start. But decades of fossil discoveries, reinforced by genetic studies, have pointed to Africa as our homeland.

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  10. 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.

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  11. 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.

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  12. 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.

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