Biggest ever family tree shows when cousins stopped having sex 

in #crypto • 8 years ago

A family tree of 13 million people has been built using data from an ancestry website, and it reveals when and why people started avoiding marrying close relations



Read More

8 years ago in #crypto by
$0.00
    Reply 0

    Coin Marketplace

    STEEM 0.06
    TRX 0.28
    JST 0.045
    BTC 64137.73
    ETH 1841.92
    USDT 1.00
    SBD 0.38