How climate change shaped the Amazon's land and life

The Amazon basin is one of the most biodiverse places on the planet; its nearly 8 million square kilometers (3 million square miles) may be home to as many as 10 percent of the world's species. Under the Amazon's renowned ...

Balanced diet can mitigate negative impact of pests for bumblebees

Bumblebees are important pollinators because they pollinate many different plant species and are extremely resilient. They can still manage to fly at temperatures that are too cold for other pollinators. Like many other insects, ...

Recovering mantle memories from river profiles

The continent of Africa has a distinctive physical geography—an "egg carton" pattern of basins and swells—that researchers attribute to plumes of mantle rocks rising beneath a tectonic plate. Marine fossils on mountaintops ...

Neanderthals changed ecosystems 125,000 years ago

Hunter-gathers caused ecosystems to change 125,000 years ago. These are the findings of an interdisciplinary study by archeologists from Leiden University in collaboration with other researchers. Neanderthals used fire to ...

Fire hastens permafrost collapse in Arctic Alaska, study finds

While climate change is the primary driver of permafrost degradation in Arctic Alaska, a new analysis of 70 years of data reveals that tundra fires are accelerating that decline, contributing disproportionately to a phenomenon ...

New theory connects tree uprooting and sediment movement

The critical zone is Earth's outer skin, the space between treetops and bedrock. The critical zone is a community comprising rock, water, soil, air, and the flora and fauna that live on Earth's surface. As floods, landslides, ...

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