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Earth Sciences Oct 3, 2022

Small eddies play a big role in feeding ocean microbes

Subtropical gyres are enormous rotating ocean currents that generate sustained circulations in the Earth's subtropical regions just to the north and south of the equator. These gyres are slow-moving whirlpools that circulate ...

Earth Sciences Sep 23, 2022

Arctic sea ice loss leads to more frequent strong El NiƱo events

Over the last 40 years, a rapid shrinking of Arctic sea ice has been one of the most significant indicators of climate change. The amount of sea ice that survives the Arctic summer has declined 13% per decade since the late ...

Earth Sciences Sep 22, 2022

Anthropogenic air pollution impacts health and climate in the Middle East

Desert dust was assumed to be the primary contributor to elevated air pollution across the Middle East. Now, an international team of scientists including researchers from KAUST has shown that pollution from anthropogenic ...

Space Exploration Sep 20, 2022

Revealing spacecraft geometry effects on impact simulations for NASA's DART mission

NASA's Double Asteroid Redirection Test (DART) spacecraft will crash into asteroid Dimorphos on Sept. 26, executing the first asteroid deflection test that has been years in the planning.

Earth Sciences Sep 15, 2022

Cracking the secrets to earthquake safety, one shake simulation at a time

To make sure our buildings and infrastructure are earthquake-safe, we must understand how seismic activity affects different structures. Miniature models and historical observations are helpful, but they only scratch the ...

Earth Sciences Aug 23, 2022

Nitrous oxide emissions from Corn Belt soils spike when soils freeze and thaw

Nitrous oxide may be much less abundant in the atmosphere than carbon dioxide, but as a greenhouse gas, it's a doozy. With a potency 300 times greater than CO2, nitrous oxide's warming potential, especially via agriculture, ...

Astronomy Aug 16, 2022

Researchers study the turbulence raging inside distant stars

Stunning new images created by Keele researchers highlight the turbulent flow of energy inside distant stars.

Astronomy Aug 8, 2022

Exploring how stars determine their own masses

Last year, a team of astrophysicists including key members from Northwestern University launched STARFORGE, a project that produces the most realistic, highest-resolution 3D simulations of star formation to date. Now, the ...

Space Exploration Aug 8, 2022

Image: Pure gold pin for space testing

Although this pure gold pin is not much bigger than the tip of a pencil, it is the "pulsing heart" of ESA's Low Earth Orbit Facility, LEOX. Part of the Agency's Materials and Electrical Components Laboratory, based at ESA's ...

Materials Science Jul 19, 2022

Framework to study ozone levels on realistic indoor surfaces

A Penn State-led research collaboration set out to improve the understanding of indoor ozone concentrations by modeling how the pollutant interacts with common indoor surfaces.

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