Cool Facts are quick hits of new human and world science curated into short bursts of information just for you. This fun compilation publishes one Friday a month. Enjoy!

Here’s the current lineup for episode #4:

• Sheep brain waves offer clues about human brain wave activity.
• New materials protect from EMFs.
• We know sperm are strong swimmers, but the way they swim is a bit wonky.
• Sorry, your dog doesn't care what your face looks like.
• Think you have one foot arch? Turns out we've evolved to have two.

EPISODE SPONSOR: Lambs /Clothing that protects against EMFs. https://getlambs.com

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