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Planetary Sciences Jul 31, 2024

Additional planet orbiting the star TOI-1408 discovered

Using NASA's Transiting Exoplanet Survey Satellite, an international team of astronomers has detected a second planet orbiting a distant main sequence star known as TOI-1408. The newfound alien world, designated TOI-1408 ...

Environment Jul 31, 2024

Paris Olympics athletes and fans melt in 'brutal' heat

After heavy rain drenched last week's opening ceremony, the Paris Olympics on Tuesday wrestled with entirely different conditions as temperatures soared to 35 degrees Celsius.

Astronomy Jul 30, 2024

The sun's corona is weirdly hot, and Parker Solar Probe rules out one explanation

By diving into the sun's corona, NASA's Parker Solar Probe has ruled out S-shaped bends in the sun's magnetic field as a cause of the corona's searing temperatures, according to University of Michigan research published in ...

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 ...

Plants & Animals Jul 30, 2024

Rpv34: A novel plasmopara viticola resistance locus discovered in 'Moldova' grapes

A research team identified a P. viticola-resistant locus, Rpv34, in table grapes through analysis of a high-density genetic map with 826 SNPs derived from F1 progenies of "Moldova" (resistant) and "Shine Muscat" (susceptible ...

Planetary Sciences Jul 30, 2024

Solar storms could cause more auroras

Massive explosions on the sun have triggered warnings of geomagnetic storms that could create dazzling auroras in the northern United States, Europe and southern Australia from Tuesday night.

Plasma Physics Jul 30, 2024

Madison Symmetric Torus operates stable plasma at 10 times the Greenwald Limit

If net-positive fusion energy is to ever be achieved, density is key: the more atomic nuclei crashing into each other, the more efficient the reaction will be. Nearly 40 years ago, Martin Greenwald identified a density limit ...

Astronomy Jul 29, 2024

Ever see a star explode? You're about to get a chance very soon

Every clear night for the last three weeks, Bob Stephens has pointed his home telescope at the same two stars in hopes of witnessing one of the most violent events in the universe—a nova explosion a hundred thousand times ...

Space Exploration Jul 29, 2024

NASA, JAXA bounce laser beam between moon's surface and lunar orbit

NASA's LRO (Lunar Reconnaissance Orbiter) has twice transmitted a laser pulse to a cookie-sized retroreflector aboard JAXA's (Japan Aerospace Exploration Agency) SLIM lander on the moon and received a return signal.

Molecular & Computational biology Jul 29, 2024

Salt stress promotes early flowering, inhibits floral organ development by disturbing cell cycle in tomatoes

A research team investigated the impact of salt stress on tomato (Solanum lycopersicum) floral transition, revealing that salt stress significantly reduced plant biomass and caused early flowering and smaller flowers. This ...

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