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Rescooped by Paulo Tomás Neves from Science News
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New Stanford analysis provides fuller picture of human expansion from Africa

New Stanford analysis provides fuller picture of human expansion from Africa | ciberpocket | Scoop.it
A new, comprehensive review of humans’ anthropological and genetic records gives the most up-to-date story of the “Out of Africa” expansion that occurred about 45,000 to 60,000 years ago.

This expansion, detailed by three Stanford geneticists, had a dramatic effect on human genetic diversity, which persists in present-day populations. As a small group of modern humans migrated out of Africa into Eurasia and the Americas, their genetic diversity was substantially reduced.

In studying these migrations, genomic projects haven’t fully taken into account the rich archaeological and anthropological data available, and vice versa. This review integrates both sides of the story and provides a foundation that could lead to better understanding of ancient humans and, possibly, genomic and medical advances.


Via Sakis Koukouvis
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Rescooped by Paulo Tomás Neves from Discover Sigalon Valley - Where the Tags are the Topics
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Triumph Of Life: Four Billion Year War (PBS Documentary) 1/6

Broadcast (2006) Life on this planet has fought a ceaseless battle for survival since it first appeared some four billion years ago. Yet out of this eternal conflict has emerged the overwhelming richness and diversity we see around us. Exploring this paradox, Triumph of Life begins with a penetrating look at the process of evolution and the driving force behind it - genes.

 

In a stunning six-part miniseries narrated by stage and film actor Liev Schreiber, this Nature series presents a compelling new vision of the epic forces that have shaped every aspect of existence on our planet, in Triumph of Life. More than three years in the making, Triumph of Life combines dramatic storytelling with powerful, groundbreaking scientific ideas in a sweeping story about survival and the survivors - the winners, for the moment at least, in an eternal battle.


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