For thousands of kilometers along the western coasts of the Americas, low-oxygen waters known as oxygen minimum zones stretch out into the Pacific Ocean. In part due to climate change, this oxygen-starved region is likely ...
Earth Sciences
Nov 29, 2022
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20
When winds lift dust off the ground, attached bacteria go along for the ride. These airborne bacteria make up aerobiomes, which, when the dust settles again, can alter environmental chemistry and affect human and animal health, ...
Earth Sciences
Nov 22, 2022
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240
Catching urban runoff in raingardens and rainwater capture tanks improves the water quality of nearby streams and rivers and lowers water temperatures that have risen in the region due to climate change and the urban heat ...
Earth Sciences
Nov 22, 2022
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15
Near Earth's surface, increasing concentrations of carbon dioxide in the atmosphere are causing temperatures to rise. But starting around 60 kilometers (37 miles) up, in the outermost layers of atmosphere called the mesosphere ...
Earth Sciences
Nov 18, 2022
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15
Plant roots act as engineers for Earth's surface, breaking up bedrock, transporting water and nutrients, and stabilizing landscapes. They're so important that scientists have hypothesized that their evolution, beginning around ...
Earth Sciences
Nov 17, 2022
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86
Race- and ethnicity-based discrepancies in exposure to air pollution, especially regarding proximity to roadways and industrial zones, are well-established. A new study reports the first nationwide patterns in atmospheric ...
Earth Sciences
Nov 17, 2022
0
66
NASA's InSight lander (Interior Exploration using Seismic Investigations, Geodesy and Heat Transport) launched in 2018 with the goal of peering deep into Mars's interior for the first time to gain important information about ...
Planetary Sciences
Nov 15, 2022
0
76
In coastal inlets such as bays and fjords, mixing of salt water and fresh water regulates many aspects of the local environment, from nutrient concentrations to oxygen levels and the composition of phytoplankton communities. ...
Earth Sciences
Nov 8, 2022
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21
About 536 million years ago, in the early Cambrian period, an abundance of different species of millimeter-scale marine organisms thrived in continental shelf habitats around the world. Today, their fossils yield clues to ...
Biotechnology
Nov 3, 2022
0
28
The Antarctic Ice Sheet is the largest block of ice in the world. It covers an area four times the size of China and holds more than 60% of the world's fresh water. Where the ice sheet meets the ocean, it forms floating shelves ...
Earth Sciences
Oct 28, 2022
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