Category: Science

A stereo-microscopic image of a Purslane (Portulaca) seed, with its intricate pattern of jigsaw puzzle pieces on its surface, photographed by Yanping Wang of the Beijing Planetarium.

Top 10 Worst Animal Skeletons

Sam O’Nella Academy talks about some weird animal skeletons:

NASA scientist and YouTuber Mark Rober used machine learning to create an app that can decipher third-baseman signals to runners!

Destin of SmarterEveryDay discovers some cool optical effects and learns about total internal reflection, which is what makes fiber optic cable work.


Pic of the Day – 8/2/19

The storms at Saturn’s north pole, employing false color for additional clarity, with the “Rose of Saturn” at its center. Taken by NASA’s Cassini spacecraft.

Everything About Grain Bins

Destin of SmarterEveryDay delves into the brilliant engineering inside the ordinary grain bins we see all the time.

Medical Devices

On this episode of LastWeekTonight, John Oliver discusses the medical device industry, which is a huge business with a hugely troubling lack of regulation.

This was the last image taken by Cassini before burning up in Saturn’s atmosphere on September 15, 2017.

YouTuber NileRed says, “A few months ago, one of my patrons sent me a bunch of old gold jewelry for me to refine. I originally thought that it was going to just be some gold plated stuff, but it turned out to be quite a bit of gold. I was able to purify out all of the gold and then melt them down into some small 24K pure gold bars.”


YouTuber Sam O’Nella Academy gives us a mere summary of the history of animals in space, not a comprehensive list:

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