Advertisements

Did you know?

Two stars from the Big Dipper, Mizar and Alcor, were used as an eye test in ancient times. The ability to see the separation between the two was considered a sign of good eyesight.

Picture Two Stars From The Big Dipper, Mizar And Alcor, Were Used As An Eye Test In Ancient Times

Shutterstock

Advertisements

YOU MAY ALSO LIKE

Picture These 10 TEDtalks will Inspire and Change Your Life

These 10 TEDtalks will Inspire and Change Your Life 24.3k views

Picture Blue Carpenter Bee Honey – What is It Like?

Blue Carpenter Bee Honey – What is It Like? 1k views

Picture 10 Medical Trials that Went Terribly Wrong

10 Medical Trials that Went Terribly Wrong 4.1k views

Picture 10 Mind-Boggling Modern Engineering Feats Across the World

10 Mind-Boggling Modern Engineering Feats Across the World 8.7k views

Picture 10 Mothers Who Took Extreme Measures for Their Children

10 Mothers Who Took Extreme Measures for Their Children 10.7k views

Picture 20 Messed-Up Facts About History You Never Learned From Your School Books. Part 2

20 Messed-Up Facts About History You Never Learned From Your School Books. Part 2 10.6k views

Picture Hector – A Thundercloud That Forms Nearly Everyday on the Tiwi Islands

Hector – A Thundercloud That Forms Nearly Everyday on the Tiwi Islands 992 views

Picture 10 Crazy Things Scientists Used to Believe

10 Crazy Things Scientists Used to Believe 10.1k views

Advertisements