The CHEMICAL BONDS Song – NOW WITH CLOSED CAPTION SO YOU CAN SING ALONG! Mr. Edmonds –

Oooh yeah, Ionic bonds … covalent bonds … both of them chemical bonds. How are they made? What’s the difference? Watch you’ll see! First we’ll start with ionic bonds, A metal and nonmetal are involved. The metal gives over electrons, the nonmetal … it receives. The atoms become IONS! The metal might have 1,2 or […]

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The ultra-fast trap of an aquatic carnivorous plant

This marsh seems quiet, but terrible things take place underwater. Stagnant waters are poor in nutrients. Once there, you’ve got to live by your own means [wits]. What use could these little bags be, stuck to bladderwort’s roots? This is a bladderwort’s leaf. It does some favour to the carnivorous plant… But let’s leave the […]

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The 600 million year old technology beneath our feet | Michael Quintern | TEDxTauranga

Translator: hila scherba Reviewer: Arvind Patil Hi, I’m the guy who is the in charge of the muck, and boy, do I love muck! But share with me, why am I a soil scientist? Because that’s what I’ve been training and what I’ve done for the last 25 years, has become so attached to muck, […]

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