The clouds we see in the sky seem rather light, almost like absorbent cotton. However, being filled with water and ice, these gigantic suspended masses weigh - in reality - up to several tons. Don't be fooled by appearances, the clouds that float above your heads are more like an ...عرض المزيد
Why is biting foil unpleasant?
As you may have already noticed, if you bite aluminum foil, the strange sensation of heat or pain in your teeth is quite unpleasant. This is due to the contact between the aluminum and the metals that make up the fillings in some teeth. If you feel a tingling sensation when bitin ...عرض المزيد
For as long as humans have believed the Earth was round, there have been skeptics. But could Aristotle, Magellan, NASA and over 2,000 years of historical beliefs all be wrong? Learn more about your ad choices. Visit podcastchoices.com/adchoices
Flat Earthers believe that the Earth is not spherical, but rather a flat disc and the Sun and the Moon are also flat discs that circle above the Earth. According to them the edges of the world are surrounded by a wall of ice, which is what we know as Antarctica. And as for the p ...عرض المزيد
In 1838, Samuel Birley Rowbotham waded into the shallow waters of England’s Old Bedford River to conduct an experiment. His findings would conclude, according to him, that the Earth was flat. His teachings have since sparked a movement of believers called the "flat earthers." Lea ...عرض المزيد
Galileo famously insisted in the early 17th Century that the Earth goes round the Sun and not vice versa – an idea that got him into deep trouble with the Catholic Church. In 1633 Galileo was put on trial for heresy by the Inquisition, and was threatened with imprisonment, or wor ...عرض المزيد