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General Physics Aug 5, 2024

Preliminary results of antiproton experiment may provide clues in search for dark matter

Last week, at the biennial ICHEP conference, the AMBER experiment presented results from its first data-taking period. Taken in 2023, these results show preliminary plots of the antiproton's production cross section—the ...

Astronomy Aug 5, 2024

Image: Hubble spies diminutive galaxy IC 3430 in the constellation Virgo

This NASA/ESA Hubble Space Telescope image reveals the subtle glow of the galaxy named IC 3430, located 45 million light-years from Earth in the constellation Virgo. This dwarf elliptical galaxy is part of the Virgo cluster, ...

Astronomy Aug 5, 2024

After contentious tenure atop sacred Hawaiian summit, Caltech observatory gets dismantled

After decades of mounting tension between scientists and native Hawaiians, Caltech has completed its removal of a telescope from the summit of Maunakea, a dormant volcano that is revered by the island's Indigenous population.

Earth Sciences Aug 5, 2024

Detecting nitrogen dioxide from power plants with Sentinel-2

Atmospheric nitrogen dioxide is a harmful pollutant with significant impacts on air quality, climate and the biosphere. Although satellites have mapped nitrogen dioxide concentrations since the 1990s, their resolution was ...

Environment Aug 4, 2024

Kids' sport always cancelled due to rain-soaked grounds? Green infrastructure can help

It's been a rainy winter in many parts of Australia, wreaking havoc on kids' sporting competitions. As mums, it has been frustrating to see so many of our kids' sports matches (and training sessions) canceled because of waterlogged ...

Archaeology Aug 3, 2024

How the last meal of a 3,000-year-old Egyptian crocodile was revealed using modern science

What do you think of when you think about ancient Egyptian mummies? Perhaps your mind takes you back to a school trip to the museum, when you came face to face with a mummified person inside a glass case. Or maybe you think ...

Earth Sciences Aug 3, 2024

Climate risks from exceeding 1.5°C reduced if warming swiftly reversed, says study

Earth systems could be "tipped" into unstable states if warming overshoots the 1.5°C target, but impacts could be minimized if warming is swiftly reversed.

Earth Sciences Aug 3, 2024

Born to modulate: Researchers reveal origins of climate-controlling particles

Aerosol particles are tiny. Swirling suspended in the air around us, most are smaller than the smallest bug, thinner than the thinnest hair on your head, gossamer specks practically invisible to the naked eye. Newly formed ...

Earth Sciences Aug 2, 2024

Study yields new insights into the link between global warming and rising sea levels

A McGill-led study suggests that Earth's natural forces could substantially reduce Antarctica's impact on rising sea levels, but only if carbon emissions are swiftly reduced in the coming decades. By the same token, if emissions ...

Astrobiology Aug 2, 2024

Scientists discuss why we might not spot solar panel technosignatures

One of NASA's key priorities is understanding the potential for life elsewhere in the universe. NASA has not found any credible evidence of extraterrestrial life—but NASA is exploring the solar system and beyond to help ...

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