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Why measles is spreading again, how hackers are targeting freezers, and whether cats fart

 One story asks whether cats fart. The others are a lot less funny

Bursts of ‘pink noise’ during sleep could help your brain clean itself

Triggering a flow of the brain's cleaning fluid could lead to better sleep—and may decrease harmful waste particles

The coin-flipping trick that counts the Internet

Here's how the ubiquitous HyperLogLog algorithm works

Eli Lilly shows GLP-1 weight-loss pill Foundayo can dramatically improve sleep apnea

Foundayo, a daily pill, successfully reduced obstructive sleep apnea, according to clinical trial data

5 things to know going into the COP31 climate meeting

Nearly 200 countries will participate in this year's climate talks, held in Antalya, Türkiye

Virtual fruit fly brains can play Doom and trade bitcoin

Researchers created a new map of the fruit fly brain. Then the Internet found it

Oil prices are so high that CO2 emissions from fossil fuels are dropping

The war in Iran has put 2026 on track for a dip in annual fossil-fuel carbon emissions

The U.S. may be on the cusp of losing its measles elimination status

Years after being officially eliminated, measles is rampant in the U.S. Could it be back for good?

Was Isaac Newton's contribution to calculus stolen?

Newton accused Gottfried Wilhelm Leibniz, another mathematical giant of the time, of stealing the concept of infinitesimals. Here's the real story