Many organisms can produce minerals or mineralized tissue. A well-known example is nacre, which is used in jewelry because of its iridescent colors. Chemically speaking, its formation begins with a mollusk extracting calcium ...
Biochemistry
Jan 12, 2024
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111
The recent cold spell has plunged South Korean into a deep freeze, resulting in the closure of 247 national parks, the cancellation of 14 domestic flights, and the scrapping of 107 cruise ship voyages. While the cold snap ...
Earth Sciences
Jan 5, 2024
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1
As astronomers have begun to gather data on the atmospheres of planets, we're learning about their compositions and evolution. Thick atmospheres are the easiest to study, but these same thick atmospheres can hide the surface ...
Planetary Sciences
Dec 27, 2023
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42
The ocean is a critical life-support system for our planet through its role in global climate regulation. It absorbs most of the carbon emissions and heat trapped in the atmosphere, which result from human activities. Over ...
Earth Sciences
Dec 6, 2023
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25
The ocean's capacity to store atmospheric carbon dioxide is some 20% greater than the estimates contained in the latest IPCC report. These are the findings of a study published in the journal Nature led by an international ...
Earth Sciences
Dec 6, 2023
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62
Nanoparticles are super tiny―as small as one nanometer, or one billionth of a meter―and are of keen interest to materials scientists for their unique physical and chemical properties. They cannot be detected by the naked ...
Nanomaterials
Dec 4, 2023
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6
Ocean acidification, mammal respiration, and aerosol formation all depend on chemistry that occurs at air-water interfaces. In new research, scientists from the Department of Energy's Lawrence Berkeley National Laboratory ...
Biochemistry
Dec 4, 2023
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61
Mountains create their own weather or climate systems by changing airflow and precipitation patterns. Orographic, or mountain-influenced, precipitation occurs as moisture-laden air rises over the high topography; the air ...
Earth Sciences
Nov 8, 2023
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61
Removing pollutants from wastewater using adsorbents like activated carbon is often unsustainable. Once saturated, these adsorbents need to be regenerated which can require high temperatures. Pierre Oesterle's thesis shows ...
Analytical Chemistry
Nov 2, 2023
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13
In Alaska's largest river delta, tundra that has been scorched by wildfire, is still emitting more methane than the rest of the landscape long after the flames died, scientists have found. The potent greenhouse gas can originate ...
Earth Sciences
Nov 1, 2023
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26
