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Education 6 minutes ago

The Advanced Placement gender gap is narrowing but not across all subjects

The gender balance among the top scorers on Advanced Placement exams tends to track the gender balance among students taking those tests, according to a new study led by the University of Georgia.

Astronomy 26 minutes ago

NASA systems engineering team details Habitable Worlds Observatory mission architecture

Finding an Earth-like world beyond the solar system is the holy grail of exoplanet research, and the field has seen remarkable technological advances in detecting and studying exoplanets since the first confirmed exoplanet ...

Environment 46 minutes ago

Portable device accurately and rapidly detects PFAS in water

Per- and polyfluoroalkyl substances (PFAS) are synthetic chemicals known for their exceptional resistance to degradation, earning them the nickname "forever chemicals." These persistent substances can accumulate in water, ...

Earth Sciences 1 hour ago

Urban street trees lose much of their capacity to cool during droughts

The combination of heat waves and drought markedly reduces the capacity of street trees to cool the air in Mediterranean cities. The lack of soil moisture severely restricts plant transpiration, reducing the thermal relief ...

Biotechnology 1 hour ago

Japan's genome-editing law sets a global ethics challenge

A Hiroshima University researcher contends that Japan's newly enacted law regulating human genome-edited embryos and germ cells marks a significant advance in the governance of reproductive genome editing. Tsutomu Sawai, ...

General Physics 1 hour ago

Against all expectations, researchers control the magnetic core of a single atom

Researchers at Delft University of Technology (the Netherlands) have succeeded in controlling the magnetism in the nucleus of a single atom with radio waves. This came as a surprise: until now, physicists believed that this ...

Earth Sciences 2 hours ago

Parts of Tibetan Plateau's frozen ground are gaining ice despite warming

High on the Qinghai-Xizang Plateau, the ground stays frozen, with only the top few meters melting each summer. Although the region is warming about twice as fast as the global average, a new study finds that more than a third ...

Agriculture 3 hours ago

When consumers search 'cyclospora,' bagged salad sales take the hit

This year, the U.S. saw its highest annual count of confirmed Cyclospora cases, roughly 20,000, according to the CDC. New research published in Risk Analysis examines outbreaks from 2018 to 2022 and finds that the retail ...

Plants & Animals 3 hours ago

Ants prioritize brain energy during starvation, echoing pattern seen in humans

The human brain accounts for roughly 2% of total body weight but uses approximately 20% of our body's energy. Relative to our body size, human brains are much larger than those of other mammals and take a lot of energy to ...

General Physics 4 hours ago

Sound-levitated particles reveal how static charge builds up

When two objects touch and then separate, they can swap tiny amounts of electric charge, even if they are made from exactly the same material. This 'triboelectric effect' is the source of everyday static electricity, but ...

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