# 🔬 Smiling Spiders, Time Reversal & a Powder That Stops Bleeding in One Second

Page: https://stenobird.com/podcast/science-news-daily-peer-review-d-7298183/smiling-spiders-time-reversal-a-powder-that-stops-bleeding-in-one-second
Text version: https://stenobird.com/podcast/science-news-daily-peer-review-d-7298183/smiling-spiders-time-reversal-a-powder-that-stops-bleeding-in-one-second.md
Podcast: [🎙️ Science News Daily | Peer Review'd](https://stenobird.com/podcast/science-news-daily-peer-review-d-7298183)
Published: 2026-07-03T12:03:48+00:00
Episode link: https://science-news-daily.transistor.fm/episodes/smiling-spiders-time-reversal-a-powder-that-stops-bleeding-in-one-second
Audio file: https://media.transistor.fm/520b2201/8ec88750.mp3
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Duration seconds: 520

## Resource

Scientists have spotted the famously cheerful Happy Face spider thousands of miles from where it was thought to exist — raising deep questions about evolution and animal distribution. A 20-year study reveals wild orangutans in Borneo deliberately self-medicating with plants, suggesting great apes have a far more sophisticated 'natural pharmacy' than we ever imagined. Physicists have achieved a quantum time reversal, bending the arrow of time and harvesting energy from measurements in a development with major implications for quantum computing. Engineers have unveiled a spray-on powder that seals life-threatening wounds in just one second, even in the most difficult-to-treat injuries. Meanwhile, a strange new signal at LIGO has reignited hopes that primordial black holes — potential candidates for dark matter — may finally be within reach of detection. Subscribe to Peer Review'd Newsletter: https://peerreviewd.com/ Love Science? Check out our other Science tools: 60sec.site and Artificial Intelligence Radio

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