Search results for “pour cent”

Varroa Mites: A Danger to Bees

Untreated they can wipe out a bee colony within one to three years: Varroa mites are regarded as the greatest pest to the western honeybee. This animation explains how the tiny parasites threaten bees and explains what beekeepers can do about them. Beekeeper Ernst Caspari has 20 colonies of bees t

This is how trees drink water

When it's pouring rain in the forest, many trees binge-drink. That sounds easier than it is. How do trees actually transport water from the ground up to their crowns? Author: ZDF/TerraX/Colourfield Tell A Vision/Petra Höfer, Freddie Röckenhaus/Tobias Kaufmann/422 south/Johannes Fritsche/Jochen Schm

What Causes Nosebleeds?

If you’ve never had a nosebleed before, the first one can be terrifying but why his blood actually pouring out of your face? Follow Us! https://twitter.com/LifeNoggin https://facebook.com/LifeNoggin Click here to see more videos: https://alugha.com/LifeNoggin What If All Cats Died Right Now?: ht

Would You Do THAT - The Milgram Experiment

CLASS EXERCISE: Educator Joe Wayand has passed on this exercise, which he does in his classroom: When I cover the Milgram Experiment, I show part of the original film "Obedience" (Obedience) - most universities have it (note that you can show parts of the full documentary "Milgram Experiment 1962").

What’s Hiding Deep Within The Rainforest?

Rainforests cover a large portion of Earth, but what's hiding inside of them? Click here to see more videos: https://alugha.com/LifeNoggin Follow Life Noggin! Facebook: https://www.facebook.com/LifeNoggin/?ref=br_rs Instagram: https://instagram.com/lifenoggin/ Twitter: https://twitter.com/lifenogg