Who Was the First Person to Transmit Moving Pictures?
John Logie Baird (1888-1946), was an engineer and inventor, he is most famous for being the first person to demonstrate a working television. John…
TellMeWhy
A wonderful and marvelous collection of answers to intriguing questions everyone ask about the world covering almost every subject, from science and history to art, language, mathematics, technology, and homeschooling
Do All Infants Have Birthmarks?
Birthmarks are quite common in infants, although not everyone has one. For instance, up to 80% of neonates have vascular birthmarks known as “stork…
In What Way Would You Define Achilles Heel?
An Achilles’ heel is a deadly weakness in spite of overall strength, that can actually or potentially lead to downfall. While the mythological origin…
Which Birds Relative to Body Size Lay the Largest and Smallest Eggs?
Each female emperor penguin (Aptenodytes forsteri) lays one large egg. Initially, both sexes share in incubating the egg by carrying it on his or…
Why Do Dogs Pursue Their Own Tails?
A common natural behaviour among many predator species is chasing their tail, often known as spinning. Boredness, enthusiasm, flea management, letting off steam (particularly…