Elephants can sing. They use an ultrasound rumble too low for humans to hear. This “singing” helps to keep the herd together and to find mates.
A hippopotamus may seem huge but it can still run faster than a man.
Even if an analog clock is broken, it shows correct time twice a day
The High-Speed Train in Shanghai goes 268 miles per hour (431 kilometers per hour), making it the fastest train in the world.
Camels can down 30 gallons (113 litres) of water in just 13 minutes. The water is stored in the camel bloodstream.
The Sailfish is the fastest fish on Earth, Reaching top speeds of 110 kph (68mph)
A Japanese designer has created a wedding dress from the silk of transgenic silk worms. The silk glows green, red, or orange under UV light.
Madam Curie’s Note Books from the late 19th century are still too radioactive to be handled without protection. They will continue to be until at least 3511.