Search results for internal heat source

Environment 16 hours ago

Tire toxicity faces fresh scrutiny after salmon die-offs

For decades, concerns about automobile pollution have focused on what comes out of the tailpipe. Now, researchers and regulators say, we need to pay more attention to toxic emissions from tires as vehicles roll down the road.

Environment Apr 30, 2024

G7 to phase out coal-fired power plants by mid-2030s

G7 ministers agreed a timeframe Tuesday for phasing out coal-fired power plants, setting as a goal the mid-2030s, in a move hailed as significant by some environmentalists but slammed as "too late" by others.

Mathematics Apr 30, 2024

Too many vehicles, slow reactions and reckless merging: New math model explains how traffic and bacteria move

What do the flow of cars on a highway and the movement of bacteria towards a food source have in common? In both cases, annoying traffic jams can form. Especially for cars, we might want to understand how to avoid them, but ...

Astronomy Apr 29, 2024

Webb captures iconic Horsehead Nebula in unprecedented detail

The NASA/ESA/CSA James Webb Space Telescope has captured the sharpest infrared images to date of one of the most distinctive objects in our skies, the Horsehead Nebula. These observations show a part of the iconic nebula ...

Environment Apr 26, 2024

How to clean up New Delhi's smoggy air

An international study led by atmospheric researchers at PSI shows for the first time what portions of particulates in the air over northern India are especially harmful to health.

Environment Apr 24, 2024

Africa's megacities threatened by heat, floods, disease—action needed to start greening, adapt to climate change

Cities cover just 3% of the planet. But they emit 78% of all global greenhouse gas emissions, absorb 80% of final global energy (what consumers use) and consume 60% of clean drinking water.

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, ...

Plasma Physics Apr 19, 2024

Fusion-energy quest makes big advance with EU-Japan reactor

The inauguration of the world's most powerful fusion machine brings the dream of clean, safe and abundant power closer.

Earth Sciences Apr 17, 2024

The Aral Sea has made Central Asia significantly dustier, according to study

The drying up of the Aral Sea has made Central Asia 7% dustier in the last 30 years. Between 1984 and 2015, dust emissions from the growing desert almost doubled from 14 to 27 million tons. This is the result of a study by ...

Space Exploration Apr 17, 2024

NASA Goddard to build quake detector for Artemis III moon landing

NASA's Goddard Space Flight Center in Greenbelt, Maryland, will build a moonquake detector for astronauts to deploy on the moon in 2026 during the Artemis III mission, which will return astronauts to the lunar surface for ...

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