Domestic cats can purr. So can smaller wild cats such as cheetahs and cougars. Bigger wild cats cannot purr. This is because in big cats the hyoid apparatus which supports the larynx and tongue is made out of cartilage instead of bone.
(Magazine – The Smithsonian June 2019)
The fastest winds recorded in the solar system is 1500 mph on the planet Neptune.
(TV – How the Universe works)
When Europeans came to the New World they brought diseases which decimated the local populations by up to 90%. One consequence of this is that cultivated land about the size of France was left fallow and reverted to forest which sucked up enough carbon dioxide to create cooling. This was already a cool cycle in climate but this time in the early seventeenth century is now thought to be the coolest part of the Little Ice Age.
(Archaeology Magazine – May/June 2019)
Bats have an economic value of up to 53 BILLION Dollars. They are natural pest control and a single colony of 150 brown bats in Indiana consumes nearly 1.3 million crop damaging insects per year.
(Scientific Daily Calendar – April 1st)
Scientists appear to have discovered why zebras have stripes. After much analysis comparing zebras to horses it appears that the stripes disrupt a flies’ ability to control a landing on a zebra.
(Magazine – The Week March 15 2019)
The amount of available gas to make stars is quickly being used up. Scientists estimate than 95% of all starts that will ever exist already have been born.
(TV show – How The Universe Works)
Saturn is not the only planet in our solar system with rings. Jupiter, Uranus and Neptune all have rings as well.
(The Great Courses – Astrophysics)
A study across cultures shows that men are all the same and women are all the same. Men value physical attractiveness and younger mates and women prefer ambition and earning capabilities.
(TED Talks – 10 myths about psychology – Ben Ambridge)
Chastity belts were never used in Medieval times. There were an invention of the 19th century to describe the barbaric Medieval era.
(The Great Courses – King Arthur)
Scientists are now speculating that a nearby supernova showered the earth with cosmic rays 8 million years ago. This caused more lightening in the atmosphere which caused more fires which burned down trees and created more grasslands. These grasslands were more favorable to the great apes who could adapt to leaving the trees.
(The Great Courses – Nuclear Physics Explained)