Check out this video from Veritasium: "How does a sewing machine work?" Watch here: https://www.youtube.com/shorts/7F4pY8Td9QQ

Check out this video from Veritasium: "Can a quantum sensor detect your heartbeat from 60 km away?" Watch here: https://www.youtube.com/watch?v=SVTPv4sI_Jc

Check out this video from Veritasium: "Wombats Poop Cubes" Watch here: https://www.youtube.com/shorts/iRach9lpIlg

Check out this video from Veritasium: "The disaster I never imagined having to worry about" Watch here: https://www.youtube.com/watch?v=ksn5yrsC3Wg

Using artificial intelligence, engineers at the University of California San Diego have developed a new way to watch the inner workings of living cells in real time. The process both captures images that are twice as sharp as conventional microscopes and is fast enough to play as smooth video. Source: https://phys.org/news/2026-04-ai-microscopy-crisp-real-video.html

Until a few years ago, no one had heard of bixonimania. Then, in 2024, a group of scientists posted findings online announcing the condition, which they claimed affected the eyes after computer use. However, the scientists had made it up—not just the work, but the authors' names, affiliations, locations and funding, which was the University of Fellowship of the Ring and the Galactic Triad. Source: https://phys.org/news/2026-04-fake-disease-internet.html

Through the air we breathe and the food we eat, we can't help but inhale and ingest tiny bits of plastic every day. Source: https://phys.org/news/2026-04-microplastics-interact-gut-microbiome-health.html

For the first time, researchers have mapped how the boundaries of magnetic nanostructures behave on extremely short timescales. The work of physicist Johan Mentink of Radboud University shows that these boundaries are much more stable than previously thought. This insight will aid the development of future ultra-fast and compact data storage. Source: https://phys.org/news/2026-04-extreme-stability-ultrafast-nanomagnetism-aids.html

You've typed it, deleted it and typed it again. You need to let your colleague know there's a problem with a project at work. Should you use a grinning face—😄—in that Slack message to soften the blow, or an angry face—😠—to show your distress? Source: https://phys.org/news/2026-04-emoji-colleagues.html

Human languages are known to have grown and changed considerably over the course of history, often reflecting technological, cultural, and societal shifts. Studying the evolution of languages can thus offer valuable insight into how human societies and cultures have transformed over time. Source: https://phys.org/news/2026-04-universal-patterns-emerge-languages-vocabularies.html

Check out this video from Veritasium: "Why don't trains make *that* sound anymore?" Watch here: https://www.youtube.com/shorts/MVFd0qFB9TE

Check out this video from Veritasium: "The Most Radioactive Place On Earth" Watch here: https://www.youtube.com/shorts/h2KFNdLqAiU

Long-duration spaceflight can chip away at an astronaut's health, prompting scientists to find new ways to make living in space easier on the body. The journey to outer space is incredibly dangerous, but crews must also face day-to-day hazards, such as exposure to cancer-causing radiation, microgravity and extreme isolation. Source: https://phys.org/news/2026-04-scientists-focus-outer-space.html

With nearly 400 years under its cork, glass is still the top choice for consumers when it comes to packaging preferences for wine, but sustainability concerns may open the way to other container types, a study by food science and economics researchers has found. Source: https://phys.org/news/2026-04-glass-dethroned-wine-packaging-unbox.html

Think you're shopping intelligently for a used car? New research from the McCombs School of Business at The University of Texas at Austin suggests you might be overly influenced by the first digit on the odometer, when you're determining the car's worth. The study is published in the Journal of Marketing Research. Source: https://phys.org/news/2026-04-consumers-pay-extra-cars-multiples.html

I just read this fascinating article about the future of humanity and our chances of witnessing the unification of all the fundamental forces of nature. As a lifelong science enthusiast, this really caught my attention. Basically, it interviews Nobel prize-winning physicist David Gross, who has dedicated his career to the quest for a unified theory that could explain all the forces that govern our universe - gravity, electromagnetism, the strong nuclear force, and the weak nuclear force. Gross argues that the timescale for achieving this is so vast, the odds of humanity surviving long enough to see it are extremely slim. He estimates our chances of living even another 50 years are "very small." This really got me thinking. I'm a natural skeptic, and part of me wants to push back on Gross' grim prognosis. Humanity has defied the odds so many times before, and science has a way of surprising us. But the more I reflect on it, the more I have to admit he may have a point. The challenges of unifying quantum mechanics and general relativity are mind-bogglingly difficult, and our long-term survival as a species is far from guaranteed. I find myself wrestling with a mix of scientific fascination and existential dread. I'm curious what others make of this. Do you share my sense of unsettled uncertainty, or do you have a different take on humanity's cosmic future? https://www.livescience.com/space/cosmology/the-chances-of-you-living-50-years-are-very-small-theoretical-physicist-explains-why-humanity-likely-wont-survive-to-see-all-the-forces-unified

I've been seeing a lot of talk lately about tap-to-pay and how secure it really is. The Veritasium video on the topic caught my eye, so I gave it a watch. The video breaks down how tap-to-pay actually works under the hood, which is pretty interesting. Apparently, the payment information isn't even stored on your card or phone - it's just a unique identifier that gets sent to the payment terminal. And the terminal can't access any of your actual card details. That's pretty neat, I had no idea it worked like that. The part that bugged me a bit was how the video says tap-to-pay is actually more secure than swiping your card. I'm a little skeptical on that one. I feel like there's still a lot of room for hackers to mess with the terminals or intercept the wireless signals somehow. But the video does a good job explaining the security measures in place to prevent that. Overall, I found it a pretty informative watch. Cleared up a lot of the mystery around tap-to-pay for me. If you're curious about the nitty-gritty of how this tech works, definitely check it out. Watch: https://www.youtube.com/watch?v=PPJ6NJkmDAo

I came across a fascinating article about the universe's most powerful telescope. It's all about a supernova, SN 2025mkn, that's located a staggering 9 billion light years away, yet we can still see it in remarkable detail. The key is gravity - this distant supernova is so powerful that it's actually distorting the fabric of spacetime around it, acting like a cosmic magnifying glass. Astronomers can use this "gravitational lensing" effect to study the supernova with unprecedented clarity, revealing insights that would be impossible with even the most advanced telescopes. The idea that we can peer into the distant universe, observing the violent death of a star from billions of years ago, all thanks to the laws of physics bending space and time, is incredible. I'm curious to know more about gravitational lensing and how it can enhance our view of the cosmos. Source: https://phys.org/news/2026-04-universe-powerful-telescope.html

Just saw this interesting article on some new ideas about dark matter. Apparently, these researchers think there's a special type of dark matter that could help explain a few cosmic mysteries we've been trying to figure out. The gist is that dense clumps of this "self-interacting dark matter" could be responsible for some weird gravitational effects observed in different parts of the universe - from gravitational lensing to the movement of stellar streams and satellite galaxies. Sounds like a pretty wild idea, but curious to learn more. Dark matter is already super mysterious, so the idea that there might be an even weirder flavor of it is pretty fascinating. Not sure if fully convinced yet, but intrigued. Wonder what other scientists will make of this - might stir up some interesting debates. https://phys.org/news/2026-04-interacting-dark-cosmic-puzzles.html

This Johari Window thing is pretty cool. I'm always down to learn about new psychological concepts, and this one seems like a neat way to think about self-awareness and how others see us. The video breaks down the four quadrants of the Johari Window - things about ourselves that are known to us and others, things that are unknown to us but known to others, things that are known to us but hidden from others, and things that are unknown to both us and others. It's an interesting framework for thinking about self-perception and interpersonal dynamics. What struck me was how the things in that last quadrant, the "unknown to self and others" part, can really shape our behaviors and interactions without us even realizing it. The example with the guy not noticing the reflections in the window was a good illustration of that. I can definitely think of times where I've had those kinds of blind spots about myself. It makes you wonder what other hidden aspects of your personality might be influencing how you come across to people. Overall, I thought this was a pretty thought-provoking video. Gives you a new lens to look at yourself and your relationships. Worth a watch if you're into that sort of psychological/self-awareness stuff. https://www.youtube.com/watch?v=WtQ64nSbdY4