The husband of conjoined twin Abby Hensel faces a paternity case from his ex-wife, Annica Bowling.

The husband of conjoined twin Abby Hensel faces a paternity case from his ex-wife, Annica Bowling.

The saliva samples used in these ancestry tests can open a Pandora's Box of family secrets.

The saliva samples used in these ancestry tests can open a Pandora's Box of family secrets.

Someone asked “What is a genetics fact that not a lot of people know?” and people detailed their best bits of info.

Someone asked “What is a genetics fact that not a lot of people know?” and people detailed their best bits of info.

"This differs from what we usually see in megalithic graves."

"This differs from what we usually see in megalithic graves."

If Neanderthals were primitive, then what does it say about some of us?

If Neanderthals were primitive, then what does it say about some of us?

“We’ve found many Neanderthal variants that consistently associate with a propensity for being a morning person."

“We’ve found many Neanderthal variants that consistently associate with a propensity for being a morning person."

Even though we are all special, some of us are born with even more genetic diversity. Multiple-color eyes, unique birthmarks, albinism, and vitiligo are all due to genetic mutations.

Even though we are all special, some of us are born with even more genetic diversity. Multiple-color eyes, unique birthmarks, albinism, and vitiligo are all due to genetic mutations.

As it turns out, there is beauty in imperfection, even in the stinkiest of imperfections.

As it turns out, there is beauty in imperfection, even in the stinkiest of imperfections.

Progress in DNA technology allowed investigators to track down the perpetrators, providing long-awaited answers to grieving families.

Progress in DNA technology allowed investigators to track down the perpetrators, providing long-awaited answers to grieving families.

Human beings have a lot in common, from the need for meaningful relationships to the innate drive for creativity. Even our biology is similar. Or is it?

Human beings have a lot in common, from the need for meaningful relationships to the innate drive for creativity. Even our biology is similar. Or is it?