It’s a nasty thought, but our bodies are teeming with billions of bacteria all of the time. At times, these microbes are helpful partners, doing things like digesting food, and at other times, they want to kill us. Kurzgesagt explores the delicate balance of the human microbiome.
Kurzgesagt simplifies two thought experiments stemming from black holes. The universe being a “hologram” is too literal though. Saying that you can describe a cube by drawing a cube is not the same as saying that a cube is indistinguishable from a drawing of a cube.
Automation has been around for centuries, but the rise of machine learning has led to new industries that need relatively few people to operate. As Kurzgesagt and many others have pointed out, this is an unsustainable trend that needs to be answered swiftly.
They sound cute and cuddly, but the white dwarfs that Kurzgesagt is talking about here will be the last bastions of light and energy in the universe as our universe eventually expires. These highly dense objects are basically the remnants of stars after they burn out.
“Imagine it like setting a sea of gasoline the size of the universe on fire.” Kurzgesagt sums up vacuum decay, a theoretical catastrophe that would wipe out the universe at the speed of light and reconfigure it into a state where life as we know it would be impossible.
Kurzgesagt takes a look at what seems like science fiction, but could quite possibly revolutionize the world. With the ability to manipulate genes, we could create just about anything we want, from made to order babies, to better foods, to the fountain of youth.
The so-called war on drugs is about short term gains and check marks for politicians. It goes after suppliers, but drugs are addictive. Users are willing to pay high prices for drugs, which encourages suppliers. The solution is to alleviate the demand for these substances.