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
When scientists detected phosphine in Venus' atmosphere in 2020, it triggered renewed, animated discussions about Venus and its potential habitability. It would be weird if the detection didn't generate interest since phosphine ...
Astrobiology
Jan 12, 2024
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51
A multi-national team of scientists (China, U.S., New Zealand, Italy, and France) analyzes the temperature of the Earth annually. These scientists have found a fever that increases every year: For the past decade, each year ...
Earth Sciences
Jan 11, 2024
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16
The forests and grasslands of northern tropical Africa take in about as much carbon dioxide in the wet season as they release in the dry season, according to a new study based on observations from aircraft. The findings contradict ...
Earth Sciences
Jan 10, 2024
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5
A team of astronomers including McGill Professor Nicolas Cowan has unraveled the enigmatic atmosphere of the exoplanet HAT-P-18 b, shedding light on its intriguing blend of gases, clouds, and even the effects of its star's ...
Astronomy
Jan 9, 2024
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46
Laser-based absorption spectroscopy is an important method for determining the concentration of gas components in a sample. Modern devices are highly specialized for detecting very specific gases, such as trace gases in the ...
Optics & Photonics
Jan 9, 2024
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35
The year of 2023 was the hottest on record, with the increase in Earth's surface temperature nearly crossing the critical threshold of 1.5 degrees Celsius, EU climate monitors said Tuesday.
Environment
Jan 9, 2024
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16
Lobbyists from major polluting industries were out in force at the recent UN climate summit, COP28. Groups representing the livestock industry, which is responsible for around 32% of global methane emissions, want to increase ...
Earth Sciences
Jan 9, 2024
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20
Mexico's greenhouse gas emissions are the second highest among Latin American countries, trailing only Brazil according to the World Bank. But until now, no one had leveraged the full spectrum of available scientific data ...
Earth Sciences
Jan 8, 2024
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6
A team of engineers and atmospheric scientists at Harvard University, working with a colleague from the California Institute of Technology's Jet Propulsion Laboratory, has calculated the increased amount of methane being ...
