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TIL that 98% of electricity generation whether nuclear, coal, hydro, or wind - are all just different methods of spinning electromagnets. Solar is the only industrial- scale method that doesn’t use turbines of some kind.

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OonN1 TIL during the 18th century, those who could not afford the three-pence admission to the London Zoo could supply a cat or dog instead to be fed to the lions.
D1jag TIL sperm don't race to the egg. They are passively transported via "pumping & wafting", weeding out the high number of "duds" that human males have. Many are stored in side-channels for up to 10 days. The sperm introduced to the egg are a random sampling, & don't represent "survival of the fittest"
OoGwY TIL that Quetzalcoatlus northropi was the largest known animal to ever fly. Being as tall as a Giraffe and with the wingspan of an F-16 Fighter (45-60 feet)
XE4yE TIL Due to China’s early discovery and love of ceramics they didn’t produce any glass between the 14th-19th century. This meant they didn’t have mirrors and windows etc, leaving them behind in sciences, as they didn’t make lenses and other things fundamental to science.
LkVwm "The fitness patterns for conferring longevity and robust lifelong cardiovascular health are distinctly different from the patterns that develop peak performance and marathon/superhuman endurance. Extreme endurance training and racing can take a toll on your long-term cardiovascular health. For the daily workout, it may be best to have more fun endure less suffering in order to attain ideal heart health." Dr. James O'Keefe Jr. is the director of Preventative Cardiology Fellowship Program and the Director of Preventative Cardiology at Cardiovascular Consultants at the Saint Luke's Mid America Heart Institute, a large cardiology practice in Kansas City. He is the co-author of four bestselling books including The Forever Young Diet & Lifestyle (Andrews McMeel Publishing LLC, 2005). In 1989, he became a professor of medicine at the University of Missouri - Kansas City and has contributed to over 200 articles in medical literature. He is also the chief medical officer and founder of Cardiotabs, a company that creates nutritional supplements to aid in a healthy lifestyle.