a glimpse inside the core

"Only occasionally, when the light strikes their enclosure in a certain way, as an equinoctial sun struck an Icelandic volcano in Jules Verne's Journey to the Center of the Earth and revealed to explorers an opening to the core of the planet, will the pupils of the giraffes dilate in some contrary fashion, betraying in a clinically observable way, even to a hemodynamicist, a memory of something more than the walls that contain them."

J.M. Ledgard, from Giraffe