From It’s ok to be Smart: I’m guessing you’re pretty familiar with ice. We use it in our drinks, slip on it, skate on it, worry about climate change melting it. But have you ever stopped to really think about this stuff? The freezing and melting of water affects so much of our world. It’s […]
As your country’s top spy, you must infiltrate the headquarters of the evil syndicate, find the secret control panel, and deactivate their death ray. But your reconnaissance team is spotty, and you have only limited information about the control panel’s whereabouts. Can you solve the control room riddle and deactivate their weapon in time? Dennis […]
[Source: @nicholas_and_his_doubts]
Sea shanties are all the rage right now on Tik Tok, but this guy made a COVID vaccine-themed one, and it’s actually pretty good! Watch! [acapellascience]
This reel depicts key events during entry, descent, and landing that will occur when NASA’s Perseverance rover lands on Mars February 18, 2021. In the span of about seven minutes, the spacecraft slows down from about 12,100 mph (19,500 kph) at the top of the Martian atmosphere to about 2 mph (3 kph) at touchdown […]
If you’ve never had the opportunity of witnessing such an event, here is a breathtaking video showing thousands of Starlings doing their “murmuration dance.” I’ve had the opportunity of witnessing this on a smaller scale a few years ago, but it was nothing like this, and the music used in the video makes the whole […]
This video is about how cheap, fast, and LESS sensitive rapid antigen tests might be better for screening (& maybe surveillance) than PCR COVID tests due to the nature of contagiousness/infectiveness at various points on the viral load trajectory of symptomatic and asymptomatic COVID sars-COV-2 carriers. [Minute Physics]
In 1947, explorers noticed a strange phenomenon while crossing the Pacific Ocean. Somehow, small squid known to live deep beneath the waves kept appearing on the roof of their boat. The crew was mystified— until they saw the squids soaring above the sea for roughly 50 meters. How and why do these marine creatures take […]
Takeoff and flight sequences of insects spanning 5 different taxonomic orders captured at 3,200 fps! 00:00 – weevils 01:44 – katydids 03:02 – bark lice 04:00 – march fly 04:59 – assassin bug 06:02 – katydid [Ant Lab]
While we look forward to things calming down here on Earth, there’s going to be plenty of activity in the heavens. Ars Technica put together an overview of the plans that include everything from innovative rockets to private flights to the construction of a new space station. And three different nations have spacecraft scheduled to […]