Our minds may be modern but our genes are prehistoric, which is the reason we have so much trouble losing weight! In addition to fast food, desk jobs, and inertia, there is one more thing to blame for unwanted pounds-our genome, which has apparently not caught up with the fact that we no longer live in the Stone Age: A gene known as CRTC3 decreases energy expenditure by fat cells.
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Human beings are twice as old as scientists used to think we are AND we may have originated in Israel, rather than Africa. Meanwhile, new species of humans are still being discovered: A 4,000 year old finger bone has been found in Siberia that may belong to an unknown type of human being that may have emerged from interbreeding with Neanderthals. The bone was found in a cave in Siberia that seems to have been a home to these unique beings.
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The skeletal remains of a prehistoric boy that were found in an underwater cave in Mexico 4 years ago. At more than 10,000 years old, they are among the oldest human bones found in the Americas. The partial skeletons of three other ancient people have also been found by divers inside flooded caves. Anthropologists hope the body will help them trace ancient human migration to the Americas from Asia, something many scientists have denied for a long time.
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