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Earth Sciences Apr 23, 2024

NASA's CloudSat ends mission peering into the heart of clouds

CloudSat, a NASA mission that peered into hurricanes, tallied global snowfall rates, and achieved other weather and climate firsts, has ended its operations. Originally proposed as a 22-month mission, the spacecraft was recently ...

Astrobiology Apr 23, 2024

Will we know if TRAPPIST-1e has life?

The search for extrasolar planets is currently undergoing a seismic shift. With the deployment of the Kepler Space Telescope and the Transiting Exoplanet Survey Satellite (TESS), scientists discovered thousands of exoplanets, ...

Environment Apr 23, 2024

Beyond higher temperatures: Preparing for national security risks posed by climate change

When talk turns to climate change, certain images pop to mind—maybe polar bears on ever-shrinking ice floes, coral reefs drained of color, or more powerful hurricanes hitting the coast.

Astronomy Apr 23, 2024

Astrophysicists work toward unification of turbulence framework—weak-to-strong transition discovered in turbulence

Turbulence is ubiquitous in nature. It exists everywhere, from our daily lives to the distant universe, while being labeled as "the last great unsolved problem of classical physics" by Richard Feynman. Prof. Dr. Huirong Yan ...

Astronomy Apr 23, 2024

MeerKAT: The South African radio telescope that's transformed our understanding of the cosmos

South Africa's Karoo region is a vast semi-arid area that stretches across four of the country's provinces. It is sparsely populated and renowned for its wide open spaces.

Plasma Physics Apr 23, 2024

Record electron temperatures for a small-scale, sheared-flow-stabilized Z-pinch fusion device achieved

In the nine decades since humans first produced fusion reactions, only a few fusion technologies have demonstrated the ability to make a thermal fusion plasma with electron temperatures hotter than 10 million degrees Celsius, ...

Environment Apr 23, 2024

Laser-treated cork absorbs oil for carbon-neutral ocean cleanup

Oil spills are deadly disasters for ocean ecosystems. They can have lasting impacts on fish and marine mammals for decades and wreak havoc on coastal forests, coral reefs, and the surrounding land. Chemical dispersants are ...

Environment Apr 23, 2024

When red-hot isn't enough: New government heat risk tool sets magenta as most dangerous level

Forget about red hot. A new color-coded heat warning system relies on magenta to alert Americans to the most dangerous conditions they may see this summer.

Agriculture Apr 23, 2024

In Vietnam, farmers reduce methane emissions by changing how they grow rice

There is one thing that distinguishes 60-year-old Vo Van Van's rice fields from a mosaic of thousands of other emerald fields across Long An province in southern Vietnam's Mekong Delta: It isn't entirely flooded.

Condensed Matter Apr 23, 2024

Tunable quantum anomalous Hall effects in van der Waals heterostructures

The quantum anomalous Hall effect (QAHE) has unique advantages in topotronic applications, but realizing the QAHE with tunable magnetic and topological properties for building functional devices is still a key scientific ...

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