Francium was discovered by Marguerite Perey in 1939 when she was researching the radioactive decay of actinium-227. The discovery took place at the Curie Institute in Paris. The element takes its name from the country of its discovery â France.
Worldâs Biggest Dog, Worldâs Heaviest Dog. Hercules: The Worldâs Biggest Dog Ever According to Guinness World Records. Hercules was recently awarded the honorable distinction of Worlds Biggest Dog by Guinness World Records. Hercules is an English Mastiff and whas a 38 inch neck and weighs 282 pounds.
Flynn, who is a big man himself, weighed 270 pounds and his dog still weighed more than him, tipping the scales at 282 pounds with a 38-inch neck. It's important to note that the biggest dog (and breed of dog) in terms of mass is the English Mastiff, with Zorba the OEM taking the crown.