Several COVID-19 variants are acting uniquely enough to qualify as a distinct strain. And you might have heard about one on the news: the Delta variant. Today we’re going to talk about what it is, why it’s here, and what you need to know about it. [SciShow]
The human immune system is the most complex biological system we know, after the human brain, and yet, most of us never learn how it works. Or what it is. Your immune System consists of hundreds of tiny and two large organs, it has its own transport network spread throughout your body. Every day it […]
Have you ever wondered why 75% humidity in the summer feels sticky, but 75% humidity in the winter feels super dry? Turns out, the common definition of humidity is inconvenient and confusing. But there is a better way! Find out in this episode of SciShow! [SciShow]
The largest things in the universe are black holes. In contrast to things like planets or stars they have no physical size limit, and can literally grow endlessly. Although in reality specific things need to happen to create different kinds of black holes, from really tiny ones to the largest single things in the universe. […]
From the slowest to the fastest things possible, represented in a 3D animation. [MetaBallStudios]
The universe is bustling with matter and energy. Even in the vast, apparent emptiness of intergalactic space, there’s one hydrogen atom per cubic meter. But is there such thing as a total absence of everything? Is it possible to make a completely empty space? Rolf Landua and Anais Rassat explain the science behind vacuums. [TED […]
The Bioluminescent Bio-Turtle from PyroFarms is the perfect addition to your nightstand! Filled with bioluminescent PyroDinos (dinoflagellates), this hand-blown glass turtle lights up spectacularly at night! It also consumes CO2 and produces fresh oxygen like a plant! The Bioluminescent Bio-Turtle is a hand-blown glass turtle filled with bioluminescent PyroDinos (dinoflagellates). It produces natural light (bioluminescence) […]
What are sun spots and why does the sun change significantly every 11th year? Wath this episode of Discovery’s “How The Universe Works” to find out! [Discovery UK]
Watch a single cell become a complete organism in six pulsing minutes of timelapse. A film by Jan van IJken. Native to central and southern Europe, the amphibious alpine newt breeds in shallow water, where its larvae are born, hatch and feed on plankton, before sprouting legs and moving to land. This timelapse video from […]
Blue Origin was founded by the Amazon foudder Jeff Bezos back in 2000, and since then, the company has been testing several prototypes of its spacecraft. Now, after 15 successful test flights, Blue Origin is finally ready to put its creator into space. Watch live as Jeff Bezos, his brother Mark, 82-year-old aerospace pioneer Wally […]