Mayim Bialik has a long résumé. The mother of two is not only an actress on the hit show The Big Bang Theory but also an author. Bialik burst onto the scene as the title character on the TV show Blossom, playing a teenager and becoming a ’90s style icon with her signature floppy hats. She now plays a scientist, and that’s not far from her real life, as Bialik has a PhD in neuroscience. Bialik sat down with Yahoo Style’s Alexandra Mondalek to see what happened when she “Yahoo’d” herself. From her new book Girling Up: How to Be Strong, Smart and Spectacular to why she marched for science, here’s what she had to say.