Placenta cake

An electric steam iron

A Jake and Dinos Chapman fused mannequin piece from the exhibition Come and See at the Serpentine Gallery

A block of silica aerogel in a hand.

Fritz Haber , 1918

A segment of new parents encapsulate and swallow their own placenta, citing hormonal benefits; no peer-reviewed evidence supports the claim. One Oregon infant contracted group B streptococcus from a contaminated capsule.