wow. now it smells clean, and it doesn't have an odor. you're welcome. [ male announcer ] odor elimination without masking. the proof is in every bottle of febreze fabric refresher. breathe happy. ♪ she blinded me with science ♪ she blinded me with science that makes you laugh, right? >> yes. >> all right, blinding us with science, or scientists in europe have figured out how to grow a brain. >> or at least part of a brain. scientists at institute for molecular biology in austria put embryonic stem cells in a petri dish and grew them into a brain