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Where Do Trees Get Their Mass? – Veritassium

Where Do Trees Get Their Mass? – Veritassium

Trees can weigh hundreds or even thousands of tons, but where do they get this mass from? A few common answers are: the soil, water, and sunlight. But the truth is the vast majority of a dry tree's mass comes from the air - it originated as carbon dioxide

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Ice-Tray Battery | Experiments | Steve Spangler Science

Ice-Tray Battery | Experiments | Steve Spangler Science

You probably know that voltaic batteries come in all kinds of shapes and sizes, from tiny button batteries to car batteries to huge industrial heavy-weights. They turn chemical energy into the electrical energy that people use to power clocks, toys, cell phones,...

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On the Origin of Butts – YouTube

On the Origin of Butts – YouTube

We’ve already been told that everybody poops - but did you ever stop to consider why? It’s thanks to our heroic through-gut that humans don’t suffer the same fate as jellyfish and anemones, and every hero has an origin story… Hosted by: Olivia Gordon

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