The eye chart with the big "E" on top is called a Snellen Chart.
Popular Mechanics has long profiled interesting new ideas and inventions, even if those innovations were destined to go no further than the magazine's pages.
These husbands are real jerks about their wives' coffee.
This spider uses discarded snail shells as homes.
Here at mental_floss, we love Bill Murray, who is always doing awesome stuff—so when I decided to brainstorm art for our newly renovated office, it wasn't hard to decide where to start.
The First World War was an unprecedented catastrophe that shaped our modern world. Erik Sass is covering the events of the war exactly 100 years after they happened.
Today, we’re stepping back and taking a good look at what must have been one of the most awe-inspiring dinosaurs of all time: the magnificent Brachiosaurus.
On October 11, 1884, a truly incredible woman was born in New York City.
The researcher who successfully sneaks the most Dylan lyrics into papers before retirement wins a free lunch.