— In this video, John Green explores exactly when Rome went from being the Roman Republic to the Roman Empire. Here’s a hint: it had something to do with Julius Caesar, but maybe less than you think. Find out how Caesar came to rule the empire, what led to him getting stabbed 23 times on…
ATP and Respiration: Crash Course Biology #7
— In this video, Hank does some push-ups for science and describes the “economy” of cellular respiration and the various processes whereby our bodies create energy in the form of ATP. Table of Contents: 1) Cellular Respiration 01:00 2) Adenosine Triphosphate 01:29 3) Glycolysis 4:13 A) Pyruvate Molecules 5:00 B) Anaerobic Respiration/Fermentation 5:33 C) Aerobic…
The Silk Road and Ancient Trade: Crash Course World History #9
— The Silk Road and Ancient Trade: In which John Green teaches you about the so-called Silk Road, a network of trade routes where goods such as ivory, silver, iron, wine, and yes, silk were exchanged across the ancient world, from China to the West. Along with all these consumer goods, things like disease and…
Plant Cells: Crash Course Biology #6
— Hank describes why plants are so freaking amazing – discussing their evolution, and how their cells are both similar to & different from animal cells. This video uses sounds from Freesound.org, a list of which can be found, along with the CITATIONS for this video, in the Google Document here: http://dft.ba/-22aJ Table of…
Alexander the Great and the Situation … the Great? Crash Course World History #8
— In which you are introduced to the life and accomplishments of Alexander the Great, his empire, his horse Bucephalus, the empires that came after him, and the idea of Greatness. Is greatness a question of accomplishment, of impact, or are people great because the rest of us decide they’re great? Also discussed are Kim…
In Da Club – Membranes and Transport: Crash Course Biology #5
— Hank describes how cells regulate their contents and communicate with one another via mechanisms within the cell membrane. Table of Contents time codes: 1) Passive Transport – 1:17 2) Diffusion – 1:25 3) Osmosis – 2:12 4) Channel Proteins- 4:37 5) Active Transport – 4:58 6) ATP – 5:37 7) Transport Proteins – 6:19…
Eukaryopolis – The City of Animal Cells: Crash Course Biology #4
— Hank tells us about the city of Eukaryopolis – the animal cell that is responsible for all the cool things that happen in our bodies. More info. on the structures described in this video linked to in the Google Document here: http://dft.ba/-1TR_ Table of Contents time codes 1) Robert Hooke 1:59 2) Cilia/Flagella…
2,000 Years of Chinese History! The Mandate of Heaven and Confucius: World History #7
— In this video, John introduces you to quite a lot of Chinese history by discussing the complicated relationship between the Confucian scholars who wrote Chinese history and the emperors (and empress) who made it. Included is a brief introduction to all the dynasties in Chinese history and an introduction to Confucius and the Confucian…
Biological Molecules – You Are What You Eat: Crash Course Biology #3
— Hank talks about the molecules that make up every living thing – carbohydrates, lipids, and proteins – and how we find them in our environment and in the food that we eat. . — Resources for this episode in the Google Document here: http://dft.ba/-citations2 — This post was previously published on www.youtube.com.
Office Hours: Water
— Hank answers some questions and responds to some concerns about his video on water. . — This post was previously published on www.youtube.com and is republished here with permission from the author.
Water – Liquid Awesome: Crash Course Biology #2
— Hank teaches us why water is one of the most fascinating and important substances in the universe. . . Review: Re-watch = 00:00 Introduction = 00:42 Molecular structure & hydrogen bonds = 01:38 Cohesion & surface tension = 02:46 Adhesion = 03:31 Hydrophilic substances = 04:42 Hydrophobic substances = 05:14 Henry Cavendish = 05:49…
That’s Why Carbon Is A Tramp: Crash Course Biology #1
— Here begins the most revolutionary biology course in history. Come and learn about covalent, ionic, and hydrogen bonds. What about electron orbitals, the octet rule, and what does it all have to do with a mad man named Gilbert Lewis? It’s all contained within. . . Chapter Timecode: 1. Re-watch the whole video =…
Buddha and Ashoka: Crash Course World History #6
This period is noted for an absence of slavery and the introduction of historical bias. Note the irony.
The Persians and Greeks: Crash Course World History #5
This period is noted for an absence of slavery and the introduction of historical bias. Note the irony.
This period is noted for an absence of slavery and the introduction of historical bias. Note the irony.
Ancient Egypt: Crash Course World History #4
— In this video, John Green covers the long, long history of ancient Egypt, including the Old, Middle and New Kingdoms, and even a couple of intermediate periods. Learn about mummies, pharaohs, pyramids and the Nile with John Green. . . Crash Course World History is now available on DVD! http://store.dftba.com/products/crash… Resources: Mummies!: https://goo.gl/BvAdmj Pyramids!:…
Mesopotamia: Crash Course World History #3
What was the origin of taxes? John Green sheds light on the subject.
What was the origin of taxes? John Green sheds light on the subject.