Rachel was still sick on Wednesday. Best wishes to Ms. Maddow for a speedy recovery.

Let’s all get a little pick-me-up from the magic of science.

First, let’s warm up by reliving the magic of Pi Day:

Everybody feeling suitably nerdy? Good, because it’s time for Rachel’s adorable first interview with teen astronomer Caroline Moore.

And now let’s all leap back into health with jumping robots.