Not a vacuum cleaner but a habitable sphere

http://gizmodo.com/a-new-type-of-dyson-sphere-may-be-nearly-impossible-to-1694258669

Nick Redfern deals with the Scoriton UFO "event" -- which I've also found interesting

http://mysteriousuniverse.org/2015/03/ufos-microwaved-to-death/

My take in 2007:

http://ufocon.blogspot.com/2007/05/infamous-scoriton-mystery_21.html

An odd and fascinating UFO story, for several reasons.

RR

A Non-Alien Autopsy

Frederick Ruysch, and his son, on the right, holding a fetal skeleton. Ruysch was more concerned with anatomy (and preservation of specimens) than pathology, but during his age (late 17th-early 18th century), both anatomists and pathologists were critical in our advances in knowledge of how the human body functions.

http://biomedicalephemera.tumblr.com/post/7203728594/early-autopsies

One can see how the noted fetal skeleton might be seen as an alien skeleton: large head, small body, and small appendages. One has to be careful with interpretation(s):

RR