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Blog – Page 13

A re-examination of the 2015 Bonin Islands earthquake disproved earlier claims of a record-breaking deep aftershock in the lower mantle, identifying instead 14 aftershocks linked to a metastable olivine wedge in the upper mantle. This finding advances understanding of deep earthquake mechanisms and Earth’s interior dynamics.

A study published in The Seismic Record challenges previous reports about the May 2015 magnitude 7.9 Bonin Islands earthquake sequence. The main earthquake, which ruptured deep near the base of the upper mantle, was not followed by an aftershock extending into the lower mantle to record-breaking depths, as earlier claims suggested.

Hao Zhang of the University of Southern California and colleagues re-analyzed the aftershock sequence and found no evidence of a 751-kilometer-deep aftershock, previously described as the deepest earthquake ever recorded.

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A team of physicists has introduced an innovative error-correction method for quantum computers, enabling them to switch error correction codes on-the-fly to manage complex computations more effectively and with fewer errors.

Error Correction in Quantum Computing

Computers can make mistakes, but in classical systems, these errors are usually detected and corrected using various technical methods. Quantum computers, however, face a unique challenge — quantum states cannot be copied. This limitation means that errors cannot be identified by comparing multiple saved copies, as is done in classical computing.

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Mice, like humans, compete for territory and mates, becoming more confident in their fighting abilities with each victory. Early on, a brain chemical called dopamine.

Dopamine is a crucial neurotransmitter involved in many important functions in the brain, particularly those related to pleasure, reward, motivation, and motor control. It plays a central role in the brain’s reward system, where it helps reinforce rewarding behaviors by increasing pleasure and satisfaction, making it critical for habit formation and addictive behaviors. Dopamine is also vital for regulating movement, and deficiencies in dopamine production are linked to neurological disorders such as Parkinson’s disease. Additionally, dopamine influences various other functions, including mood regulation, learning, and attention, making it a key focus in studies of both mental health and neurodegenerative diseases.

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It’s time to recalibrate the navigation systems on ships, airplanes, as the position of the magnetic North Pole is officially being changed, continuing its shift away from Canada and towards Siberia.

Experts from the US National Oceanic and Atmospheric Administration (NOAA) and the British Geological Survey (BGS) have joined forces – as they do every five years – to produce a new, more accurate World Magnetic Model (WMM).

While the geographical North Pole stays fixed in place (at the very summit of the Earth’s rotational axis), the WMM pinpoints the magnetic North Pole – where Earth’s magnetic field points straight down, a perfectly vertical magnetic field.

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Cybersecurity researchers are calling attention to a new malware campaign that leverages fake CAPTCHA verification checks to deliver the infamous Lumma information stealer.

“The campaign is global, with Netskope Threat Labs tracking victims targeted in Argentina, Colombia, the United States, the Philippines, and other countries around the world,” Leandro Fróes, senior threat research engineer at Netskope Threat Labs, said in a report shared with The Hacker News.

“The campaign also spans multiple industries, including healthcare, banking, and marketing, with the telecom industry having the highest number of organizations targeted.”

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Hackers are distributing close to 1,000 web pages mimicking Reddit and the WeTransfer file sharing service that lead to downloading the Lumma Stealer malware.

On the fake pages, the threat actor is abusing the Reddit brand by showing a fake discussion thread on a specific topic. The thread creator asks for help to download a specific tool, another user offers to help by uploading it to WeTransfer and sharing the link, and a third thanks him to make everything appear legitimate.

Unsuspecting victims clicking on the link are taken to a fake WeTransfer site that mimicks the interface of the popular file-sharing service. The ‘Download’ button leads to the Lumma Stealer payload hosted on “weighcobbweo[.]top.”

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