Be Smart
How to Figure Out the Day of the Week For Any Date Ever
Here’s a neat mental trick for calculating the day of the week for any day ever.
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Episode 38
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Be Smart
Why Don't Other Animals Wear Glasses?
Vision impairment is common in humans, so why not the rest of the animal kingdom?
Be Smart
Why Is Your Brain Is In Your Head
Part 1 of 3 in my series about why our bodies are shaped the way they are.
Crash Course Astronomy
Galaxies, part 1: Crash Course Astronomy #38
Galaxies contain gas, dust, and billions of stars or more.