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Results for: 'KIngdoms and empires based on agriculture; slow rise of agricultural productivity; wind and water power'

1:31

Photosynthesis

By: uvmext

The sugaring season has been over for a while. Maple trees ended their annual period of dormancy when their winter buds broke, allowing new leaves to emerge. These lush green leaves are now working to produce all the energy needed for the tree to ...

0:53

What's In The Sap?

By: uvmext

Maple sap, what's in it? Maple sap is a dilute solution of mainly water (95-99%) and sugar (1-5%), along with trace amounts of other substances, including: organic acids, free amino acids, protein, minerals, and phenolic compounds. Sap coming dire...

0:48

Reverse Osmosis

By: uvmext

Some producers use membrane separation (called "reverse osmosis" or simply "RO" within the maple industry) in addition to evaporation with heat. In this process, sap is forced through membranes that have pores which are large enough for water to p...

9:25

Lantigua: Antibiotic Resistance Podcast

By: alantigu

Who will I want the audience to be? I want the audience to be people who enjoy learning about the mysteries of the world but may not have a degree in science. I love listening to all kinds of podcasts and how they can highlight and teach about...

22:20

The One About Water-Soluble Vitamins

By: efpope

Today we talk about the water-soluble vitamins, vitamins B and C! What makes them special, how are they helpful to our bodies, where can you find them? We talk it all through with some Beyoncé tie-ins in this video! Vitamin C -1:34 The B Vi...

11:49

SGD 14: Life Below Water (Conserve Marine Ecosystems)

By: sdevoe

EPH 2 presentation on UN SDG 14: Life Below Water

4:38

UWS Prez Team 4

By: smcochra

This is our water quality report for CE254

4:49

CE254: UWS Determination Group #19

By: smarano

Determination of Unknown Water Samples

2:46

Glass of Water Counting Device

By: bmonarca

This video is an overview of a device that counts the glasses of water someone drinks per day. It was made for the EE001 final project for the Spring 2020 semester.