Scientists from the RUDN University and colleagues from Iran have determined the optimal dosage of a popular dietary supplement for rainbow trout. Exceeding it not only negates a positive effect, but can cause harm to the ...
Plants & Animals
Nov 29, 2023
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14
Concerted efforts and commitments are needed to solve the complex trade-offs involved in reducing the impact of aviation on the climate, according to new research.
Environment
Nov 28, 2023
20
1
Plasmas are used in wound treatment against pathogens that are resistant to antibiotics. However, bacteria can defend themselves. They employ a heat shock protein that protects them.
Cell & Microbiology
Nov 24, 2023
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11
During missions into space, astronauts are exposed to high levels of galactic cosmic radiation and weightlessness. Simulation experiments in male rats indicated that these aspects of spaceflight can negatively affect vascular ...
Space Exploration
Nov 22, 2023
1
2
The overexpression of reactive oxygen and nitrogen species (RONS) is closely associated with the onset and progression of diverse chronic diseases, such as cancer, Alzheimer's disease, and chronic diabetic ulcers. Hydrogen ...
Biochemistry
Nov 21, 2023
0
2
Oxidation is the process where atoms lose electrons during a chemical reaction. Among the radioactive elements, neptunium and plutonium are much harder to oxidize than uranium.
Analytical Chemistry
Nov 20, 2023
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16
The core–mantle boundary (CMB) is the interface between the Earth's iron metal core and the thick rocky layer of mantle just above the core. It is a world of extremes—temperatures thousands of degrees Fahrenheit and pressures ...
Earth Sciences
Nov 17, 2023
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300
Greenhouse gas concentrations in the atmosphere hit new record highs in 2022, with no end in sight to the rising trend, the United Nations warned Wednesday.
Environment
Nov 15, 2023
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2
After years of discussion, international negotiations on a global plastics treaty resume this week in Nairobi, Kenya, at the UN Environment Programme headquarters.
Environment
Nov 13, 2023
0
1
Ozone (O3) in the troposphere negatively impacts crop growth and development, causing significant decreases in crop yield worldwide. This airborne pollutant does not come directly from smokestacks or vehicles but instead ...
Plants & Animals
Nov 13, 2023
0
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