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New Research Reveals a Hidden Weakness Inside Electric Vehicle Batteries

Researchers analyzing years of EV driving data discovered how differences between individual battery cells can intensify over time.

An electric vehicle (EV) battery can reach the end of its useful life even when many of its individual cells still have substantial capacity remaining. New research shows that a small number of rapidly aging cells can shorten the lifespan of an entire battery pack, leaving a significant share of its potential energy resources unused.

Published in Nature Energy, the study analyzed batteries operating in real vehicles over more than three years. Researchers found that differences between individual cells can reduce battery lifespan, restrict power output, and become more pronounced as vehicles accumulate mileage.

Scientists Say a Simple Blood Test Could Reveal Depression

Scientists have discovered that aging immune cells may hold a hidden blood-based clue to detecting depression.

Scientists have discovered that the biological aging of certain white blood cells may provide an important clue to depression, potentially opening the door to a blood test that could help identify the condition.

The study found that measuring how quickly these immune cells age can help predict emotional and cognitive symptoms of depression, including hopelessness and loss of pleasure. Interestingly, the same biological markers were not associated with physical symptoms such as fatigue or changes in appetite.

New QPACK Flaws Can Crash HTTP/3 Servers, Trigger Up to 4,000-Fold Memory Amplification

A remote attacker who has not logged in can crash many HTTP/3 web servers with a single connection, security firm FoxIO disclosed, releasing working proof-of-concept code.

By sending a small batch of compressed HTTP headers that expands in memory to a much larger set, the attacker can force the server to use thousands of times more memory than it received, enough to run a default server out of memory.

The flaws cause only denial-of-service attacks, with no evidence of data theft or code execution and no public reports of attacks in the wild. Fixes are out for quic-go, Cloudflare quiche, lsquic and Wireshark, but Bun, the h3 Rust library and aioquic were still unpatched at disclosure.

Microsoft PowerToys adds CursorHide, Button Lock mouse tools

Microsoft has released PowerToys 0.102, with two new mouse utilities, new command-line tools, and Command Palette improvements.

Mouse Button Lock, one of the new mouse tools, makes it easier to select items on screen by locking a mouse button while you hold down a key.

“With Mouse Button Lock, press and hold a button for a moment, then let go. Windows keeps treating it as held, so you can continue dragging or selecting until you click any button,” Microsoft senior product manager Niels Laute explained.

Google Chrome adds Gemini-powered scam detection, warns users of ClickFix attacks

Chrome is getting new scam protections that use Gemini to detect deceptive websites and warn users when they copy suspicious commands from ClickFix attacks.

The changes are part of Enhanced Protection in Safe Browsing, which Google claims makes users ten times safer from phishing, social engineering, notification abuse, and other scams compared with Standard Protection.

Chrome is also adding a new “suspicious site” warning for pages that show deceptive patterns but haven’t reached the confidence level required for its existing full-page red warning.