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 […]
Watch as Kathrine Frey Frøslie explains the epidemic r-number through crocheting, showing how fast Covid can spread through a population. Kathrine Frey Frøslie works as associate professor in Biostatistics, and runs the popular science knitting blog Statistrikk.no. The crochet work is made for the exhibition CoviDesign at Greve museum in Denmark, 2020/2021. [Statistrikk | Via […]
Are you ready to have your mind blown? Watch the amazing rotating window illustion below! Ames window illusion illustrates how we don’t directly perceive external reality. [Veritasium]
From medieval knights to face shields, humans are pretty big fans of armor. But it turns out that other organisms use armor, too! Except sometimes, their armor doesn’t look like anything we’d expect. [SciShow]
Scientists, diving inside data that NASA’s iconic Voyager 2 spacecraft gathered during its historic 1986 encounter with Uranus have just found that the atmosphere of the icy planet is leaking gas out into space. Watch the video and learn what’s really happening there. [Cosmoknowledge]
There’s a lot of excitement right now around the record-speed vaccines for COVID19, some of which are already starting distribution in parts of the world. But given that these are mRNA vaccines – a relatively new technology that has not been widely used before – we wanted to explain how they work, and what happens […]