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Why do some people hear pitch better than others? Internal noise may be the key

The less internal noise you have, the more reliably you can tell similar sounds apart

Acorns—not deer—can predict a rise in Lyme-spreading ticks

Despite deer's essential role in tick reproduction, looking to acorn numbers instead can forecast Lyme disease booms almost two years in advance

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