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BrainStuff Classics: How Do We Define the Kilogram?
The kilogram used to be measured against an agreed-upon chunk of metal stored in France, but no longer. Learn the new measure of this standard unit o…
2 years, 4 months ago
Who Were the Baddest Bank Robbers You've Never Heard Of?
The Newton Boys were a gang of brothers who made a business of robbing banks and trains in the 1920s. Learn how they largely got away with it in this…
2 years, 4 months ago
How Do Banyan Trees Work?
These giant trees grow trunk-like roots down from their branches and can cover the area of city blocks. Learn more about banyan trees in this episod…
2 years, 4 months ago
How Do Male Seahorses Give Birth?
Male seahorses are the ones that carry babies to term and give birth, but the process is fairly different from most pregnancies. Learn how it works i…
2 years, 4 months ago
What Laws Apply on a Cruise Ship?
When crime and other legal tangles occur on a cruise ship, what laws apply depend on where the ship is registered and where it was located at the tim…
2 years, 4 months ago
How Does Marzipan Work?
Marzipan is a sweet, moldable almond paste that gets worked into all kinds of holiday traditions. Learn about it (and about Glücksschwein, the good l…
2 years, 4 months ago
BrainStuff Classics: Why Does Ice Get Cloudy?
Water usually appears clear, but ice cubes and ice on lakes often looks cloudy. Learn what has to happen for ice to freeze clear (like black ice does…
2 years, 5 months ago
BrainStuff Classics: Why Are Christmas Trees That Shape?
Most of the trees decorated for Christmas don't naturally grow in a perfect cone shape -- so how do they get that way, and why did we decide on that …
2 years, 5 months ago
How Did the 1800s Create Christmas as We Know It?
Although this holiday has been around for a long time, the way we celebrate in the U.S. largely developed during the 1800s. Learn about the books, ce…
2 years, 5 months ago
How Far Can the Human Eye See?
The human eye is basically only limited by the curvature of the Earth and stuff that gets in its way. (Well, and various medical conditions.) Learn h…
2 years, 5 months ago