Trees could be key protagonist for forest-grassland transitions
A study investigating the transition from forests to savannas and vice versa has found that trees could be the key protagonists.
A study investigating the transition from forests to savannas and vice versa has found that trees could be the key protagonists.
Plants & Animals
Dec 22, 2022
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28
The rocks on Earth are not all the same age. In fact, most are significantly younger than the planet itself. The oldest sections of the oceanic crust are thought to be 200 million years old—a blink of an eye in the planet's ...
Planetary Sciences
Dec 22, 2022
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63
A titanium tube containing a rock sample is resting on the Red Planet's surface after being placed there on Dec. 21 by NASA's Perseverance Mars rover. Over the next two months, the rover will deposit a total of 10 tubes at ...
Astronomy
Dec 21, 2022
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600
Several billion years ago, the oceans were probably not as hot as often assumed, but were instead at much more moderate temperatures. This is the conclusion of a research team from the University of Göttingen and the German ...
Earth Sciences
Dec 20, 2022
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151
Using the word predation may seem surprising when we talk about the first organisms that set out to eat other organisms, for they were not deadly predators with sharp teeth and claws, but small single-celled life forms that ...
Evolution
Dec 20, 2022
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231
In the coming days, NASA's Perseverance rover is expected to begin building the first sample depot on another world. This will mark a crucial milestone in the NASA-ESA (European Space Agency) Mars Sample Return campaign, ...
Space Exploration
Dec 16, 2022
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15
Apart from managing the land, Indigenous people have also managed waterways, including the Murray River and the Darling/Baaka River, for thousands of years.
Archaeology
Dec 16, 2022
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2
A new study demonstrates how anonymized GPS data from people's smartphones can be used to monitor the public's use of parks and other green spaces in urban areas, which could help inform their management. Alessandro Filazzola ...
Ecology
Dec 15, 2022
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11
The moon's pock-marked surface tells the story of its history. It's marked by over 9,000 impact craters, according to the International Astronomical Union (IAU.) The largest ones are called impact basins, not craters. Now, ...
Planetary Sciences
Dec 14, 2022
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54
University of Washington geologists had set out to create computer-based field experiences long before the COVID-19 pandemic hit. Juliet Crider, a UW associate professor of Earth and space sciences, first sent a former graduate ...
Earth Sciences
Dec 13, 2022
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34