All cells contains thousands of enzymes, and each of these enzymes is necessary for the cell. Check out this HowStuffWorks podcast to learn which enzymes cause apples and potatoes to turn brown upon exposure to oxygen.
Today
Why Is Siberia's Batagaika Crater Known as the Doorway to Hell?
The Batagaika crater (or, technically, megaslump) is a massive pit caused by thawing permafrost -- and it's only getting bigger. Learn what paleontologists have found there (and why geoscientists are worried about it) in today's episode of BrainStuff, based on these articles: htt ... Show More
11m 10s
Oct 2023
Pomology (APPLES) with Susan K. Brown
<p>Green, yellow, striped, red, shiny, russet. Tart, sweet, sour, crunchy. Big, small, wild, heirloom, cultivated. How will you like them apples? Very much, once you hear all about the fascinating backstory of how an apple got into your lunch with one of the world’s finest pomolo ... Show More
1h 31m
Aug 2023
Episode 138: Biochemistry and Metabolism
A discussion of the metabolic pathways involved in breaking down proteins, carbohydrates, and lipids into simple components, extracting their energy, and building back up into more complex components needed for bodily function. We cover glycolysis, the citric acid cycle, lipolysi ... Show More
59m 20s
<p><strong>#105</strong></p>
<p>Batteries. The mysterious little cylinders that have powered our essentials and fun for decades. How in the world do they work? What's the chemistry that's going on inside, and how does it power our electronics? Let's find out.</p>
<p><a href="http ... Show More