Shells of Cosmic Time (ft. @AstroKatie)
This video is about the cosmic distance scale and how we see objects farther away in space (ie at higher red shift) farther back in time because light takes time to reach us. Thus we can see not only stars and galaxies, but also the primordial stars & proto-galaxies, and even the remnants of the […]
How Dogs Can Smell When You’re Stressed
Did you know that dogs can tell when you’re stressed out? But how do they know? Turns out they can smell it! Join Hank for a new episode of SciShow and learn all about it! Hosted by: Hank Green (he/him)
If all humans died, when would the last light go out?
If every human somehow simply disappeared from the face of the earth, how long would it be before the last artificial light source would go out? Randall Munroe is the author of the New York Times bestsellers What If? 2, How To, What If?, and Thing Explainer; the science question-and-answer blog What If?; and the […]
What if you tried to print Wikipedia?
If you had a printed version of the whole of Wikipedia, how many printers would you need in order to keep up with the changes made to the live version? Credits ******* Randall Munroe | Narrator Henry Reich | Writer & Director Lizah van der Aart | Illustration and Video Editing Ever Salazar | Chief […]
Ariane 6 first liftoff
Europe’s new rocket Ariane 6 powered Europe into space taking with it a varied selection of experiments, satellites, payload deployers and reentry demonstrations that represent thousands across Europe, from students to industry and experienced space actors. This inaugural flight, designated VA262, is a demonstration flight to show the capabilities and prowess of Ariane 6 in […]
New discovery! 51,200-year-old cave painting in Sulawesi, Indonesia
51,200 year old cave painting. Indonesia.
Oldest Cave Art Found in Sulawesi
A team of Griffith University archaeologists has shared in the discovery of what may be the world’s oldest known cave painting, dating back to at least 45,500 years ago. Uncovered in South Sulawesi during field research conducted with Indonesia’s leading archaeological research centre, Pusat Penelitian Arkeologi Nasional (ARKENAS), the cave painting consists of a figurative […]
How The Dinosaurs Actually Died
A ruthless murder was committed! Someone killed the dinosaurs and we have the murderer! Witnesses say that an Everest-sized asteroid hit Earth, devastated the planet and caused a mass extinction. A simple, fascinating and convincing explanation. Or… is it?
What Makes Kurzgesagt So Special?
We’re finally revealing the secret sauce behind kurzgesagt videos.
Europe’s next big rocket in a nutshell
Ariane 6 is the newest rocket in a series that has, for five decades, been launching Europe towards the stars. Building on all the knowledge, expertise and technology developed over the years, Ariane 6 will be versatile, modular, and European. Guaranteeing Europe’s access to space for the next years, Ariane 6 in two versions, with […]
Así era Tina, el neanderthal con síndrome de Down que demuestra el altruismo en esa especie
El grupo de expertos de la Cátedra de Otoacústica Evolutiva y Paleoantropología de HM Hospitales y la UAH y arqueólogos de la Universitat de València han encontrado un pequeño fragmento del oído derecho de un individuo que sobrevivió hasta los 6 años gracias a la ayuda de su especie a pesar de su sordera y vértigo […]
After 50 years, Lucy faces rivals with other human ancestors
In 1974, paleoanthropologist Don Johanson and student Tom Gray unearthed a 40% complete skeleton of an early human ancestor, fundamentally changing the human family tree. The specimen acquired a nickname that persisted: Lucy, after the Beatles song playing at the fossil hunter’s camp–“Lucy in the Sky with Diamonds.” At 3.2 million years old, some thought […]
Why Most Fossils Are Incomplete
In 1990, fossil collectors in South Dakota stumbled across a dinosaur that turned out to be a really big deal. Not just because it was a T. rex – basically the most popular dino out there – or because it ended up in Chicago’s famous Field Museum… but because of the number of bones it […]
Distribution of space debris in orbit around Earth
For debris objects bigger than 10 cm the data come from the US Space Surveillance Catalogue. The information about debris objects smaller than 10 cm is based on a statistical model by ESA. Number of space debris objects in orbit: Bigger than 1m: 5 400 objects Bigger than 10 cm: 34 000 objects (among them […]