Tests showed that the brown fat transplants were burning caloric energy at a high rate -- energy that otherwise would have been stored as fat in white adipose tissue.

Tires blew, steel snapped, and the landing gear folded. The burning aircraft teetered to port, then the belly hit the concrete and skidded along, trailing a torrent of hot white sparks.

The sun a white, burning disk, seemed to hang in the black velvet of the surrounding heavens.