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Comment Different design (Score 2) 103

First of all, Ubuntu (Linux) reserves buffers “just in case” (for streams, files, etc.). This unused memory seems taken but it can actually be reclaimed at any time if needed. Was that taken into account?

Then, it seems Windows is built by stacking new features on top of old ones. For example, if you look at how updates work, to go from, say, version 15 to 20, it asks you to update to 16, then 17 it can’t jump directly from 15 to 20, and often a reboot is required between two updates. It’s almost as if no one at Microsoft wants to maintain the older parts of the system anymore. It’s very likely that a good number of memory allocations would no longer be necessary if the older layers were removed or reworked. I’d be really surprised if, when comparing RAM usage between a freshly booted Ubuntu and Windows system (with no applications running), Ubuntu ended up using more.

Submission + - Python blood could hold the secret to healthy weight loss (colorado.edu)

fahrbot-bot writes: CU Boulder researchers are reporting that they have discovered an appetite-suppressing compound in python blood that helps the snakes consume enormous meals and go months without eating yet remain metabolically healthy. The findings were published in the journal Natural Metabolism on March 19, 2026.

Pythons can grow as big as a telephone pole, swallow an antelope whole, and go months or even years without eating—all while maintaining a healthy heart and plenty of muscle mass. In the hours after they eat, research has shown, their heart expands 25% and their metabolism speeds up 4,000-fold to help them digest their meal.

The team measured blood samples from ball pythons and Burmese pythons, fed once every 28 days, immediately after they ate a meal. In all, they found 208 metabolites that increased significantly after the pythons ate. One molecule, called para-tyramine-O-sulfate (pTOS) soared 1,000-fold.

Further studies, done with Baylor University researchers, showed that when they gave high doses of pTOS to obese or lean mice, it acted on the hypothalamus, the appetite center of the brain, prompting weight loss without causing gastrointestinal problems, muscle loss or declines in energy.

The study found that pTOS, which is produced by the snake’s gut bacteria, is not present in mice naturally. It is present in human urine at low levels and does increase somewhat after a meal. But because most research is done in mice or rats, pTOS has been overlooked.

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