Study reveals flaws in popular genetic method

The most common analytical method within population genetics is deeply flawed, according to a new study from Lund University in Sweden. This may have led to incorrect results and misconceptions about ethnicity and genetic ...

Topper site in middle of comet controversy

(Phys.org)—Did a massive comet explode over Canada 12,900 years ago, wiping out both beast and man in North America and propelling the earth back into an ice age?

Japan's hand-forged knives a slice of samurai metallurgy

Blacksmith Yoshihiro Yauji pulls a piece of glowing metal from the forge in a Japanese village, continuing a tradition dating back centuries to when the region was renowned for crafting swords carried by samurai.

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