We’re celebrating vaccinations with an episode all about needles. Why are we so scared of them? What is the evolutionary basis behind that fear? We even share some tips on how to get over that fear! 

What did we learn this week?

1:16 Why are otters so cute and playful?!

9:18 How come if cats fits, they sits? / Why do cats love small spaces so much?

Studytime: 13:09

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