What Causes the Smell After Rain, When People Started Smiling in Photographs, How 911 Became the Defacto Emergency Number, and More

In this week’s “best of” our YouTube channel, we discuss what causes the smell after rain, whether Nero really fiddled while Rome burned (and whether it really burned at all), when and why people started smiling in photographs, the fascinating origin of Scrabble, and how 911 became the emergency number in the United States. Click here to subscribe to our YouTube Channel for many more videos like this.

The Smell After Rain

Fiddling While Rome Burned

When Did People Start Smiling in Photographs?

The Fascinating Origin of Scrabble

How 911 Became the Emergency Number in the United States

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