Weighing Science for the Masses

This Worm’s Gut Has No Way In or Out

SciShow – Mar 7, 2020 – 4:25
There are plenty of creatures out there with only one opening to handle both taking in food and getting rid of waste. But there’s at least one animal out there that doesn’t have a gut opening… at all. How does that even work?! Hosted by: Hank Green


5 of the Most Important Inventions in Robotics

SciShow – Mar 8, 2020 – 12:27
A lot of robots are developed to physically replicate our actions and behavior, like a bipedal, balanced walk, a large range of motion, and the ability to perceive and interact with the environment. But, maybe not to your surprise, that’s a lot more difficult to replicate than some viral robot videos might make you think.Boston Dynamics’s humanoid robot Atlas: https://youtu.be/_sBBaNYex3E
Hosted by: Hank Green


North America’s Lost Parrot

SciShow – Mar 9, 2020 – 5:06
When you picture a parrot, you probably don’t picture Denver, but up until about a century ago, the United States was home to its very own species of parrot: the Carolina parakeet. What happened to this endemic bird? Hosted by: Michael Aranda


The Easiest Problem Everyone Gets Wrong

Vsauce2 – Mar 9, 2020 – 16:16
We know how difficult the Monty Hall Problem is for so many people even after they’re shown all the math behind the best possible strategy. It’s basic probability, but it’s deceptive — and it all started with the Bertrand’s Box Paradox.

In this video, I go back to the origins of a probability problem that continues to plague humanity. And it all started in 1889 when French mathematician Joseph Bertrand published his “Calcul des probabilités,” which included a simple scenario involving gold and silver coins.

70 years later, recreational math columnist Martin Gardner unveiled The Three Prisoners Problem involving the pardoning of one of three prisoners scheduled to be executed. The mathematical concept was the same as Bertrand’s Box, but The Three Prisoners continued to be a probability paradox that haunted everyone from the readers of Scientific American to professional mathematicians.

But the Monty Hall Problem is really what made this mathematical illusion explode. By the 1990s, there was an all-out argument about whether all of these problems — Bertrand’s Box, Three Prisoners, and Monty Hall — were paradoxes or simple 50/50 coin flips. It’s time to go back to the beginning… and show why there’s something even more important than solving this math problem.

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