DNA Test Reveals Stomach-Churning Secret About Woman's Boyfriend

An Important Gift

Three years later, Cassandra's adoptive mother gave her a 23andMe DNA genetic testing kit from Christmas so that she could learn about her background in the Dominican Republic. Cassandra did not know that you could find relatives through the kit...

The More You Know

You spend about 10% of the time you're awake blinking.
There's only one country in the world that doesn't use the metric system.
A blue whale's tongue weighs as much as an elephant.
Dogs can learn up to 165 words.

Post originally appeared on Upbeat News.