Teenagers with Down syndrome experience many of the same emotional and hormonal changes as their peers. Their teenage years can also offer the opportunity to expand their functional and social skills.

If you’ve been told that your growing baby has “soft markers” for Down syndrome, you likely have many concerns. What do these soft markers mean? What’s the likelihood that your child will be born with ...

Geese and ducks use down the same way we do: to insulate. The biggest difference is that they grow theirs, and we take ours—from the clusters of soft, fine feathers under their bellies. But how do ...

Down syndrome is a genetic condition that results when a person is born with 47 chromosomes in their cells instead of the usual 46. (1) That extra chromosome affects the way the person develops — both ...

Down fill is warm enough that ducks and geese can swim in freezing water and light enough that they can fly. It’s those two qualities that also make it arguably the best form of insulation yet devised ...

Down remains, arguably, the most efficient insulator available (although Aerogel with its amazing 95% air content, is trying), with which to make cold-weather garments, sleeping bags and bedding, ).

"CBSN: On Assignment" airs Mondays at 10 p.m. ET/PT on CBS and on our streaming network, CBSN. Explore more on this topic in our "Behind the Lens" report. With the rise of prenatal screening tests ...