twins

23andMe helps identical twins separated at birth reunite.

Twins have long fascinated us as humans, so much so that twin stories are ingrained in the mythology of almost every culture. Beyond folklore, the study of twins has also...

Is it nature or nature? One concept scientists use to describe this balance is "heritability". But there are some nuances to this concept that often cause it to be misinterpreted. Show us what you know about heritability in this week's quiz!

Multiple sclerosis (MS) is an autoimmune disease that affects the central nervous system, causing unpredictable and varying symptoms that differ from person to person. About 1 in 700 people in...

If Facebook is starting to take over your life, maybe your genes are partly to blame. Researchers from UC San Diego and Harvard University have shown that certain aspects of...