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Astronomers May Have Seen Colliding Black Holes Trigger a Blaze of Light

A brief blaze of gamma and X-ray light that lit up Earth telescopes in November 2024 may have come from an unexpected source.

Just a few seconds earlier, from the same tiny corner of the sky, LIGO-Virgo-KAGRA had detected the telltale gravitational wave signal of two black holes colliding. These massive events are some of the most extreme in the Universe; even so, they’re not generally expected to produce detectable light.

A team led by astronomer Shu-Rui Zhang of the University of Science and Technology of China has linked the extraordinary detection to an even more extraordinary set of possible circumstances: the collision, the researchers believe, may have taken place in the enormous, roiling disk of dust and gas surrounding a third, supermassive black hole – the host galaxy’s active galactic nucleus (AGN).

Apple pushes first Background Security Improvements update to fix WebKit flaw

Apple has released its first Background Security Improvements update to fix a WebKit flaw tracked as CVE-2026–20643 on iPhones, iPads, and Macs without requiring a full operating system upgrade.

The CVE-2026–20643 flaw allows malicious web content to bypass the browser’s Same Origin Policy.

Apple says the flaw is a cross-origin issue in the Navigation API that was addressed with improved input validation.

GlassWorm malware hits 400+ code repos on GitHub, npm, VSCode, OpenVSX

The GlassWorm supply-chain campaign has returned with a new, coordinated attack that targeted hundreds of packages, repositories, and extensions on GitHub, npm, and VSCode/OpenVSX extensions.

Researchers at Aikido, Socket, Step Security, and the OpenSourceMalware community have collectively identified 433 compromised components this month in attacks attributed to GlassWorm.

Evidence of a single threat actor running the GlassWorm campaigns across multiple open-source repositories is provided by the use of the same Solana blockchain address used for command-and-control (C2) activity, identical or functionally similar payloads, and shared infrastructure.

Scientists used 7,000 GPUs to simulate a tiny quantum chip in extreme detail

Researchers have pushed quantum chip design into a new era by simulating every physical detail before fabrication. Using a supercomputer with nearly 7,000 GPUs, they modeled how signals travel and interact inside an ultra-tiny chip. Unlike earlier “black box” approaches, this method captures real materials, layouts, and qubit behavior. The result is a powerful new way to spot problems early and build better quantum hardware faster.

Dick Van Dyke Credits His Longevity to One Habit, And Science Supports It

Dick Van Dyke, the legendary American actor and comedian who starred in classics such as Mary Poppins and Chitty Chitty Bang Bang, turned 100 on December 13. The beloved actor credits his remarkable longevity to his positive outlook and never getting angry.

While longevity of course comes down to many factors – including genetics and lifestyle – there is some truth to Van Dyke’s claims.

Numerous studies have shown that keeping stress levels low and maintaining a positive, optimistic outlook are correlated with longevity.

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