Two Japanese girls train with a machine gun in preparation for an Allied invasion of Japan (1945)

RAF Lancaster bombers flying in a bomber stream. There are around 80 lancasters in this photo alone. Usually there were around 500-700 Lancasters on a typical nightime bombing raid. August 1944

It is a 3500-year-old amber bear amulet and was found in a peat bog near Slupsk, Poland.

Pre-WWII footage of a smoke curtain, used to hide ships during a naval battle, being deployed.

This fish is so transparent it looks like it has no internal organs

Time lapse of Antarctica's underwater bizzare ice formation

Active ball joint mechanism based on spherical gear meshings

High voltage water bridge

Fyodor Dostoevsky's manunoscript draft of The Brothers Karamazov