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DNA from Stone Age ‘chewing gum’ tells an incredible story
For the first time, scientists used 5,700-year-old saliva to sequence the complete human genome of an ancient hunter gatherer, as well as the world of microbes that lived inside her.
https://www.nationalgeographic.com/history/2019/12/dna-stone-age-chewing-gum-microbiome-story/?cmpid=org=ngp::mc=social::src=facebook::cmp=editorial::add=fb20191217hist-ancientchewinggum::rid=&sf226303234=1
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We’re all time-deprived; it can be daunting to have to manage work, family, and the “spare” time we spend on the necessary evil we call networking. But networking doesn’t have to be so time-consuming. If you’re like most people, you have built your network haphazardly, connecting with anyone who will communicate with you. You probably have a hard time saying no to people. And as a result, people you barely know are probably making demands on your time and, like a true mensch, you may be accommodating them. But your undiscerning generosity may be self-defeating: by giving your time to fifty people rather than, say, five, you are making far less of an impact in the world than the sheer volume of your network would have you think.
https://hbr.org/2018/03/why-your-inner-circle-should-stay-small-and-how-to-shrink-it?utm_source=twitter&utm_medium=social&utm_campaign=hbr
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White Hair
One day a little girl was sitting and watching her mother do the dishes at the kitchen sink. She suddenly noticed that her mother had several strands of white hair sticking out in contrast on her brunette head. She looked at her mother and inquisitively asked, "Why are some of your hairs white, Mom?"
Her mother replied, "Well, every time that you do something wrong and make me cry or unhappy, one of my hairs turns white."
The little girl thought about this revelation for a while and then said, "Momma, how come ALL of grandma's hairs are white?"
