July 4, 2025

Discovered in early July, Comet 3I/ATLAS is only the third interstellar object to pass through the solar system. Scientists are tracking its motion and believe it is a rare opportunity to learn about planetary conditions in distant solar systems. (Image credit: NASA/JPL-Caltech)

The Solar System as a Crossroads – A Third Comet from Another Solar System Discovered

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Comet 3I/ATLAS, discovered in early July, is only the third interstellar object to pass through the solar system. Scientists are tracking its motion and believe it is a rare opportunity to learn about planetary conditions in distant solar systems.
In the Bolides. Illustration: depositphotos.com

Supersonic booms in the sky: How scientists are using bolides to improve planetary defense

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Researchers show that bolides – meteoroids that explode in the atmosphere – create sound waves that can be analyzed for warning purposes about space debris and other astronomical threats
The dangerous language modules. Illustration: depositphotos.com

Dark language models: Researchers managed to hack into artificial intelligence and obtain dangerous information

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Researchers from Ben-Gurion University have managed to bypass the protections of models like ChatGPT and Gemini and obtain illegal information from them – and warn: This is an unprecedented threat
A black cat and a white cat. Their fates were different in ancient times. Illustration: depositphotos.com

The Cat in the Sources of Chazal 4: "If the Torah had not been given, we would have learned modesty from the cat"

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The fourth episode in the series reviews the place of the cat in homes during the time of the Sages, their treatment of it as impure on the one hand and as having qualities worthy of imitation on the other – and the colors that stir debate to this day.
Wars are undermining the fight against the climate crisis. Illustration: depositphotos.com

The wars that exacerbate the climate crisis: "Mass climate attack"

As countries try to reduce greenhouse gas emissions, geopolitical conflicts contribute to pollution, destroy green infrastructure and divert budgets – threatening to derail the fight against global warming.
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