Some 30 million Americans have sent their DNA to be analyzed by companies like 23andMe and AncestryDNA. But what happens once the sample is in the hands of testing companies, and how accurate are their results? NOVA explores the power of genetic data to reveal family connections, ancestry, and health risks—and even solve criminal cold cases.
Drinking alcohol on a cold day warms you up. Eating grilled meat can increase your risk of cancer. Mosquitoes prefer blondes… ah, women. We've all heard the claims, but are they true? From Winnipeg to Florida, from New York City to Vancouver, B.C, molecular biologist Dr. Jennifer Gardy goes in search of the answers. It's a journey through seldom-seen research that forces Dr. Gardy to become a real-life guinea pig to test these claims and discover, once and for all, whether they're science fact or science fiction. The surprising results are revealed in Myth or Science. , results that could change your life. Most of us just accept these myths as fact. But it is surprising to discover which are true and which aren't. It's not what you expect. And the answers can make a major difference to your daily life, and your health.
Science journalist Angela Saini and disability rights activist Adam Pearson, reveal that eugenics - the controversial idea that was a driving force behind the Nazi death camps - originated in the upper echelons of the British scientific community.
2019 • Science