Inside the Womb: Watch As Baby’s Face Forms

What is the philtrum and why is it important? The philtrum is the groove under your nose. Using extraordinary CGI, Michael Mosley talks about how our faces fit together like a puzzle and how the philtrum figures prominently in this formation. Data from scans of developing enbryos are used to create this CGI of how a baby’s face develops in the womb. It’s short but powerful imagagery.