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Sexual and Asexual Reproduction: How Animals Do It: Crash Course Biology #47
When it comes to animal reproduction, there’s no one-size-fits-all strategy. Some animals need a mate, others don’t, and for some, it depends! In thi…
14 hours ago
Entropy: Embrace the Chaos! Crash Course Chemistry #20
Life is chaos and the universe tends toward disorder. But why? If you think about it, there are only a few ways for things to be arranged in an organ…
15 hours ago
How do Outbreaks End? Vaccines and Recovery: Crash Course Outbreak Science #14
Throughout this series, and in our real lives, we've seen the chaos and devastation that outbreaks can cause. But there's good news! Eventually, outb…
16 hours ago
Black Holes | Crash Course Pods: The Universe #5
"The Big Sink"
In this episode, John and Katie take a break from talking through the universe's timeline to focus on a mystery of our cosmos: black ho…
16 hours ago
The Civil War, Part I: Crash Course US History #20
In which John Green ACTUALLY teaches about the Civil War. In part one of our two-part look at the US Civil War, John looks into the causes of the war…
17 hours ago
The Hidden Meanings in Nature Art: Crash Course Art History #9
From sunsets to double rainbows, nature’s full of beautiful things. So it’s not surprising that artists have found inspiration in Mother Nature for m…
18 hours ago
Calorimetry: Crash Course Chemistry #19
Today's episode dives into the HOW of enthalpy. How we calculate it, and how we determine it experimentally...even if our determinations here at Cras…
19 hours ago
Gender, Sex, and Sexuality: What’s the Difference?: Crash Course Biology #48
We tend to think life fits in two tidy categories: male or female, XX or XY. But it’s so much more diverse and complicated! In this episode of Crash …
20 hours ago
Battles of the Civil War: Crash Course US History #19
Disclaimer: This is very different than the usual Crash Course US History episode.
In which John Green lists a whole lot of the battles of the US Civi…
21 hours ago
Tissues, Part 4 - Types of Connective Tissues: Crash Course Anatomy and Physiology #5
Today Hank wraps up our look at connective tissues with a discussion of their various types. Also chicken.
Pssst... we made flashcards to help you rev…
22 hours ago