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DNA testing has its risks, including that you don’t know who will own your genetic data. Photo by Markus Spiske on Unsplash

Five things to consider before ordering an online DNA test

Online genetic testing promises many things. Some are the stuff of fantasy, while others, even if scientifically feasible, still carry risks. Consider these five things before ordering a test.
We want to know we are connected - yet we crave to be unique. Moral white panic is also involved and so is big business. (Shutterstock)

The mythical quest for our ancestors is big business

The current craze to search for our ancestry is complicated and paradoxical. We want to know we are connected -- yet we crave to be unique. Moral white panic is also involved and so is big business.
This skull belongs to the carnivorous gorgonopsian therapsid Smilesaurus ferox which lived 255 million years ago. Cradle of Humankind/Flickr/Wikimedia

You can thank our pre-mammalian ancestors for your sexy teeth

Modern sabre-tooth mammals have their canines constantly on display. This allows them to seduce mates. But was sexual selection also an important phenomenon among our pre-mammalian ancestors?
To which flag do the kiwi bird’s ancestors belong? New Zealand, Australia or somewhere else? Lakeview Images

Rewriting the origin of New Zealand’s kiwi bird ancestors

New research has shattered the idea that New Zealand’s iconic kiwi bird is a close relative of Australia’s emu. Instead, the kiwi has a closer connection with a giant flightless bird that was the stuff…

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