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 This week's best deals include ongoing all-time low prices on AirTag 2, plus great discounts on the previous-generation M3 iPad Air, for anyone who wants to avoid price hikes on the M4 models. We're also tracking Fourth of July savings from popular accessory makers this weekend.
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 Best Buy's Fourth of July sale is currently running, and it features a big sale across Apple's previous generation M3 iPad Air tablets. You can find up to $400 off these devices during the event, and they're particularly notable when compared to the recently increased prices of the 2026 M4 iPad Air.
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But as some reviewers have noted, the boosts from DLSS aren't always as impressive in real life as they are in marketing materials. And it's often less powerful systems—like gaming laptops—that see the most modest benefits. So, I decided to test it out myself.
Here are my Nvidia DLSS 4 results on a gaming laptop. Keep reading for the exact laptop I used and the various gains (or lack thereof) I saw in a handful of different high-profile games.
The laptop I used for these tests
When Nvidia boasted about the awe-inspiring eight-fold improvement in Cyberpunk 2077 performance, those tests were done under ideal conditions. According to the fine print, it was achieved on a PC with an RTX 5090 at 4K resolutions with all the graphical bells and whistles turned on, and in DLSS performance mode.
But that's far from your typical gaming PC. Most modern gaming PCs are budget laptops—like the Lenovo LO
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For generations, the all-female Haenyeo divers have routinely dove into frigid waters off the coast of South Korea, holding their breath for minutes at a time, as they collect seafood to eat and sell. These women start diving as girls and continue well into old age. And recent research suggests that it's not just years of training that makes this feat possible - it's also a set of special genetic adaptations. Science reporter Ari Daniel brings us the story.
Read more of Ari's reporting here.
Have another story about biology and genetics for us to consider? Email us at shortwave@npr.org.
Listen to every episode of Short Wave sponsor-free and support our work at NPR by signing up for Short Wave at plus.npr.org/shortwave.
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