VideoSift shared a seven minutes YouTube video showing "World War II (WWII) in Europe: Every Day -- This video shows the changing front lines of the European Theater of World War II every day from the German invasion of Poland to the surrender of Germany."
HardOCP shared a Consumer Product Safety Commission (CPSC) Science infographic showing fireworks injuries.
Boing Boing reports on why "why is it so hard to make a phone call in emergency situations? ... But it is a fact that, whenever disaster strikes, it becomes difficult to reach the people you care about.
Blue's News shared an over year old BBC News article/story on "The myth of the eight-hour sleep -- We often worry about lying awake in the middle of the night -- but it could be good for you. A growing body of evidence from both science and history suggests that the eight-hour sleep may be unnatural..."
CNET News show a twenty two pages/slides showing "making the vote count: Voting machines then and now (pictures/photo(graph)s) -- Amid all the problems that have been solved with advances in technology, the simple act of tallying votes is still an arduous task in America.