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Science News Archive April 2025


Page 51 of 51

The ticking of thorium nuclear optical clocks

The thorium-229 nuclear optical clock has the potential to achieve a very high-precision time and frequency standard due to its unique properties. Despite significant progress, numerous challenges remain, including temperature sensitivity and the scarcity of the isotope.

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Newborn warty birch caterpillars defend the world’s smallest territory

Newborn warty birch caterpillars, just 1-2 mm long, establish tiny territories by producing warning vibrations through their leaves. By beating the leaf tip with their thorax and dragging oar-shaped hairs on their rear end, these teeny creatures outmaneuver intruders and secure their narrow escapes.

Diagnosing a dud may lead to a better battery

A team of chemists from Virginia Tech found a way to visualize the intricate structure and chemical reactions of battery interfaces using an X-ray beam line. This breakthrough enables researchers to gain better control over these critical surfaces, potentially leading to cheaper, higher performance batteries.

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Mpox could become a serious global threat, scientists warn

Researchers at the University of Surrey warn that mpox's sustained human-to-human transmission poses a significant risk to global health. The virus can cause a painful rash, fever, and swollen glands, and has the potential to spread among children, who are at greater risk of serious illness.

New 3D technology paves way for next-generation eye-tracking

Researchers at the University of Arizona have developed a new 3D imaging technique, deflectometry, paired with advanced computation to improve eye-tracking accuracy. The method can capture gaze direction information from more than 40,000 surface points, theoretically millions, increasing accuracy by a factor of over 3,000 compared to c...

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