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By collecting blood samples from thousands of men living in isolated tribes around the world and analyzing their DNA, 34-year-old geneticist Spencer Wells and his colleagues discovered that all humans alive today can be traced back to a small tribe of hunter-gatherers who lived in Africa 60,000 years ago.
 human genetic migration
In an unprecedented effort, IBM, the National Geographic Society and the public will collaborate to map precisely how mankind populated Earth.


 human genetic migration
Police in Peru have arrested four suspected members of a gang that allegedly killed people to steal their body tissue and fat. The authorities are searching for several more suspects. The group allegedly sold the body fat to be used in cosmetics in Europe.


 fat human murder business cosmetics organ harvesting
A gene that has long been implicated in the evolution of speech and language has given up more of its secrets.


 toread language speech genetics evolution human
Sensations on the skin play a part in how people hear speech, say Canadian researchers.


 human ear skin touch hearing toread
An international scientific effort has revealed the genetics behind Asia's diversity. The Human Genome Organisation's (HUGO) Pan-Asian SNP Consortium carried out a study of almost 2,000 people across the continent. Their findings support the hypothesis that Asia was populated primarily through a single migration event from the south.


 migration Asia genetics human
Inserting a human protein important in cancer development was able to revive dying plants, showing an evolutionary link between plants and humans and possibly making it easier to study the protein's function in cancer development.


 human animal evolution plant protein cancer
We are losing our political leaders and will continue to lose them until we come to terms with our basic biology. Leaders today are no more susceptible to violations of marital vows than were leaders of the past. But in this era of tabloids and texting, sexual scandals have become epidemic.


 biology sex drive testosterone risk politics hormone instinct human
A Belgian, two Frenchmen and a Colombian-Italian have agreed to be locked away in steel containers for 18 months to simulate a mission to Mars.


 Mars human space travel simulation
In fact, there are more genes in the flora in the intestinal system than the rest of our bodies. So many that they are being dubbed our "second genome".


 genome microorganism human body biology genetics nutrition digestion intestine