Search results for “Grand Mur de Défense de Chine”

ScienceCasts: Planetary Defense

NASA's Planetary Defense Coordination Office is working to keep Earth safe from asteroids and other hazards that come from deep space. Visit http://science.nasa.gov/ for more. NASA Planetary Defense: http://www.nasa.gov/planetarydefense Click here to see more videos: https://alugha.com/NASA

The Grand Canyon: How It Formed

The theory of how the Grand Canyon was formed is shown in this animation from NOVA, and features rare footage of a phenomenon known as debris flow. CREDITS: https://www.pbslearningmedia.org/credits/ess05.sci.ess.earthsys.canyon/ LICENSE: https://www.pbslearningmedia.org/help/full-license-for-secti

ScienceCasts: Cassini's Grand Finale

Click here to see more videos: https://alugha.com/NASA Visit http://science.nasa.gov/ for more. Cassini is in the process of executing 22 daring ‘Grand Finale’ dives in the 1,200-mile gap between Saturn and its innermost ring, concluding with an epic final plunge into the gas giant’s upper atmosph

Do you want to save someone's life | DKMS Germany

Of course you would save someone's life! But why don't you do it? 🤔 It's mega easy! In our video, we'll tell you just three short steps. 💪 It's really easy: open your mouth. Chopsticks in. Be a donor. Order your registration set on dkms.de/yt-registrierung and become a stem cell donor. Maybe you

Life in a castle - Planet Wissen

0:00 Introduction to castle building 0:05 Castle building in the Middle Ages 0:16 Life inside the castle 0:42 Living situation in castles 0:50 Castle as a centre for work, guests and court 0:59 Prison in the dungeon 1:05 Castle courtyard, crafts and outbuildings 1:17 Protection by walls and defenses

UBA explainer video: A climate-neutral lifestyle

Saving CO2 - a question of consumption? Depending on your lifestyle, your personal carbon footprint can vary a lot. In which areas are particularly much greenhouse gases produced? And how can we consume in a more climate-friendly way and cause less CO2 in everyday life? https://www.umweltbundesamt