The meatballs are 100% ground beef with nothing added except salt and pe… History Uncovered space • 815 followers Writing Are McDonald's burgers really that bad for you? Aelllxy, studied at Medical Conditions and Diseases Answered April 28 The meatballs are 100% ground beef with nothing added except salt and pepper. Definitely healthy. I read that until 2011, they used beef treated with pink slime and ammonia... Read more » Aelllxy, studied at Medical Conditions and Diseases Posted Apr 7 The United 232 (a DC-10) crashed while landing in Sioux City, Iowa, after an engine disintegrated and disabled all of the aircraft's hydraulic systems. Just before impact, Captain Al Haynes approac... Read more » Is it true that 70,000 years ago a red dwarf entered our solar system, passing through the Oort cloud? Focused Mind, studied at Technology Trends Answered April 30 It didn't enter the Solar System, but Scholtz's Star passed within 0.6 light-years of the Sun about 70,000 years ago. On Earth, it was the Pleistocene, so prehistoric man m... Read more » Read more in History Uncovered space This email was sent by Quora (605 Castro Street, Mountain View, CA 94041). You were sent this email because you might like History Uncovered space. If you don't want these updates anymore, you can mute History Uncovered space or unsubscribe. https://www.quora.com