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Analytical Chemistry Jun 3, 2024

A transition-metal-free zeolite catalyst for direct conversion of methane to methanol

In light of the waste-to-wealth movement, technology for converting greenhouse gases into value-added materials has gained significant attention in recent years. One such technology is the catalytic conversion of methane ...

Earth Sciences Jun 3, 2024

Measuring temperature of seafloor millions of years ago may show if ocean warming increases methane release

Methane is a greenhouse gas about 25 times more potent than carbon dioxide. At low temperatures and high pressure, it combines with water to form methane hydrate, an ice-like solid of which huge deposits exist under the seafloor.

Ecology Aug 2, 2024

Ancient Antarctic microorganisms are aggressive predators

In Antarctica there is a small lake, called Deep Lake, that is so salty it remains ice-free all year round despite temperatures as low as -20°C in winter. Archaea, a unique type of single-celled microorganism, thrive in ...

Analytical Chemistry Jul 30, 2024

Elusive predicted water structure created in the laboratory

Clathrate hydrates are complex water structures that contain foreign guest molecules inside a host water-molecule shell. A predicted clathrate hydrate phase structure has been stably synthesized in the lab and may play an ...

Astrobiology Jul 30, 2024

The discovery of a new Earth-like planet could shed further light on what makes a planet habitable

In an exciting breakthrough for astronomy and the search for extraterrestrial life, a team of international scientists has announced the discovery of Gliese 12 b, a temperate, Earth-sized exoplanet just 40 light-years away—a ...

Earth Sciences Jul 26, 2024

How a warming Arctic is accelerating global climate change

Three recent papers authored by Ted Schuur, Regents' professor of biological sciences at Northern Arizona University, and other researchers around the world, organized through the Permafrost Carbon Network, investigate the ...

Planetary Sciences Jul 24, 2024

Webb images nearest super-Jupiter, opening a new window to exoplanet research

Using the James Webb Space Telescope (JWST), an MPIA-led team of astronomers imaged a new exoplanet that orbits a star in the nearby triple system Epsilon Indi. The planet is a cold super-Jupiter exhibiting a temperature ...

General Physics Jul 24, 2024

Does heat travel differently in tight spaces? New insights into convection heat and fluid mechanics

A search for "air fryer recipe" on most social media platforms likely returns a flood of food videos touting quick and easy meal ideas. The market touts these devices as a convenient, clean, quick way to heat and crispen ...

Environment Jul 22, 2024

Switching from gas to electric stoves cuts indoor air pollution

Switching from a gas stove to an electric induction stove can reduce indoor nitrogen dioxide air pollution, a known health hazard, by more than 50 percent according to new research led by scientists at Columbia University ...

Planetary Sciences Jul 16, 2024

Not just space rocks: Six things we've learned about Earth from meteorites and comets

Apart from the sun, its planets and their moons, our solar system has vast amounts of space rocks—fragments left over from the formation of the inner planets.

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