Save 20% on Celestron binoculars in this limited time Amazon deal
Save $60 and get the Celestron TrailSeeker 8×42 binoculars for $239.95 at Amazon — but you’ll have to be quick as we’ve seen the deal expire briefly this week already.
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Individuals who experienced more adversity as children are less responsive to methamphetamine
An analysis of data from several previous studies indicated that individuals who experienced more childhood adversity tend to show dampened subjective responses to methamphetamine and d-amphetamine 90 to 180 minutes after administration. However, their subjective responses to buprenorphine were not…
Explainer: How cells use chemistry to make the electricity of life
Every second, cells throughout your body send out small electrical signals. Tiny jolts control your heartbeat. In your brain, cells use electricity to release chemicals that make you feel happy or sad. In your muscles, they send signals that help…
Zap, zap, zap! Our bodies are electric
Our daily lives seem to run on electricity. Electric lights illuminate our rooms. Electric power runs our computers, microwave ovens, cell phones and countless features on our cars. When we lose access to electricity, it can feel like we also…
Explainer: Anatomy of a heartbeat
Your heart beats about 100,000 times per day. That’s around 3 billion times over an average lifetime. Each beat pumps blood to the lungs, where it picks up oxygen. From there, it flows on to all of the rest of…
One of the best Celestron telescopes now $2,399 in latest Adorama price drop
Save $400 on one of the best telescopes — Celestron Advanced VX 8-inch EdgeHD is now 14% off at Adorama in this price drop before Amazon Prime Day.
Earth from space: Deep tidal channels cut between ‘pirate hotspot’ islands in the Bahamas
This 2015 photo from the International Space Station showcases the deep tidal channels that cut through a line of cays in the Bahamas. Astronauts say it is “one of the most recognizable points on the planet.”
Mentally stimulating activities linked to slower cognitive decline in older adults, study finds
New research published in the Journal of Cognitive Enhancement has found that older adults who regularly participated in mentally challenging activities, such as reading or puzzles, maintained higher levels of memory, working memory, attention, and processing speed over several years…
Amazon will “ramp up” Prime Video ads in 2025
Subscribers to Prime Video’s ad tier will start seeing more commercials next year, further testing how much advertising streamers will tolerate. Speaking to the Financial Times today, Kelly Day, VP of Prime Video International, said that Amazon will offer more…
Attackers exploit critical Zimbra vulnerability using cc’d email addresses
Attackers are actively exploiting a critical vulnerability in mail servers sold by Zimbra in an attempt to remotely execute malicious commands that install a backdoor, researchers warn. The vulnerability, tracked as CVE-2024-45519, resides in the Zimbra email and collaboration server…
