Small Protein, Big Impact: Microprotein Discovery Offers Hope for Obesity and Aging

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Researchers have uncovered a tiny but powerful protein that helps keep our cells’ energy factories humming – a discovery that could spark new approaches to tackling obesity and age-related decline. Scientists at the Salk Institute in La Jolla found that a  “microprotein”  in mouse fat cells plays a critical role in maintaining healthy  mitochondria , the structures that generate energy in our cells. By preserving mitochondrial function, this diminutive protein helps cells burn fuel efficiently, which in turn could influence body weight and the aging process. The findings shine light on how molecular biology connects to everyday health, opening the door to  science-backed strategies for better metabolism and longevity. Mature brown fat cells from a mouse, with the newly discovered microprotein shown in red inside mitochondria (green) and nuclei in blue. This tiny protein helps preserve mitochondrial health under stress. (Credit: Salk Institute) Mighty Mitochondria in ...

Apple releases Safari 3.2.1 in two weeks

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According to The Register, Apple has pumped Safari with yet another update less than two weeks after version 3.2 of the browser was released.

The Cupertino-based company has been scurrying to fix a host of bugs in Safari that left many Mac fanboys in a spin, with the revamped browser consistently crashing on launch.

Safari 3.2.1 was shoved out the door yesterday by Apple, which offered a vague maxim about “stability improvements” being added to the browser.

Version 3.2 landed on 13 November and immediately got a frosty reception from Safari users who complained that the update, which came loaded with improved anti-phishing protection and the latest security fixes, caused frequent crashes.

Yesterday's stealth patch, which had no Apple fanfare whatsoever, is now available for download both for Mac OS X and Windows XP or Vista.

Apple closed a number of security holes with the release of Safari 3.2 including an update to the framework that underpins the browser – Webkit, and a bug in its autocomplete feature.

However, many have grumbled that Safari 3.2 had not been scrutinised and tested enough prior to release. Whether Safari 3.2.1 will right those wrongs remains to be seen.

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