Hormone surges at puberty trigger a lot of physical changes in both men and women, morphing child-bodies into adult forms. Genitals, hips, and muscle mass change, obviously–but so do faces. A new study suggests those facial changes are primed to happen by the presence of testosterone in utero.
You're looking at a 3D facial reconstruction of a 410 million year-old armoured fish called Romundina. It's one of the first creatures on this planet to feature a characteristic many modern animals take for granted — a face.
The twitter account @FacesPics exists for the sole purpose of rounding up one of the Internet's all time favorite things: photos of inanimate objects that look like faces.
A new software program called GoogleFaces uses Google Maps and facial recognition software to isolate geographic structures that look like human faces. It's far from perfect, but the program has uncovered some remarkably face-like surface features.