Harry Selfridge pioneered the practice of placing perfume counters at the front of department stores. He did so both to entice customers to buy it and to mask the smell of manure and exhaust fumes from the street outside.
Black boxes, flight recorders used to investigate aviation accidents and incidents, aren’t actually black, but are painted bright orange to aid in visual identification during recovery efforts.
The males of Photinus pyralis, the most common firefly species in North America, fly in a lazy J-shaped pattern wherein they drop slightly, rise up in an arc, and then light up as they fly upward.
Wasson Bluff, located in Nova Scotia, Canada, is home to the smallest dinosaur tracks ever discovered. The tiny prints, scarcely larger than a coin, belonged to a dinosaur species no larger than a robin.