Search results for “ce qui arrive à votre cerveau si vous ne dormez pas”

Measuring Distance in the Solar System | NASA Planetary Sciences

Explore how astronomers and scientists use astronomical units to measure distances in the solar system in this video adapted from NASA. The astronomical unit (au) -- equal to the average distance from Earth to the Sun -- is a convenient unit of measure when talking about distances in the solar syste

Saturn's Record-Setting Storm | NASA Planetary Sciences

Learn how a giant storm on Saturn sent temperatures soaring in this video from NASA's Goddard Space Flight Center. About once a Saturn year, the planet develops a massive storm called a Great White Spot. Planetary scientist Brigette Hesman describes observations of the storm that erupted on Saturn i

08 Salt formulas

The formulas of the salts represent ratio formulas. It describes the ratio of cations to anions. Here it is explained how to arrive at these ratios and how salt formulas can be established as a result. The naming is more of a minor matter here. Original: "Wolfgang Dukorn" Original: German. All tra

Selection in Auschwitz

From May 1944, the deportation trains went directly to the Auschwitz II camp, with the SS dividing the arrivals into columns. Then the so-called "sorting out" started. Women and children were first in line. Authors: ZDF/Winfried Laasch, Friedrich Scherer/Kawom! Translation and dubbing: alugha Cli

What's Unusual About Mercury? | NASA Planetary Sciences

Discover why Mercury has a tail like a comet, and why its poles are covered in ice despite its close proximity to the Sun. Mercury, the closest planet to the Sun, rotates three times on its axis every two of its years. Despite having temperatures that are hot enough to melt lead, the tilt of the pla

Why Do We Have Leap Years?

Every four years, we get an extra day in February. Who decided this, and what's the point? Follow Us! https://twitter.com/LifeNoggin https://facebook.com/LifeNoggin Click here to see more videos: https://alugha.com/LifeNoggin Life Noggin is a weekly animated educational series. Whether it's scie

Returns quickly explained | DKMS Germany

Have you registered online? ✅ Have you received your registration kit and taken your cheek swab? ✅ Uuuuand have you already sent your set back to us? 🤔 In our video, Visa Vie explains why set returns are vital! Unfortunately, about 40% of the sets requested online do not arrive back at DKMS. What'