"Rainforests are very challenging fieldwork environments, not least because the warm and wet conditions mean that very little of the archaeological record survives the test of time."
Researchers from the University of North Carolina, Chapel Hill have been working to alter the genome of patients who suffer from the deadly genetic disorder Hunter syndrome.
New findings suggest that modern humans evolved in populations that were scattered across the African continent.
The last surviving male died in March this year.
This genetic variant may help explain different health disparities between those of African and European decent.
But brutal rulers like Genghis Khan could also be to blame.
"It's like a paternity test, not between father and son but among peoples."
Researchers looked into genetic data on over 300,000 people ages 16 to 102 to learn which genes are linked to intelligence.
If the Arctic permafrost melts, greenhouse gasses equivalent to burning all of the world's forests two-and-a-half times over could be released.
There may be a biological association between father's age and offspring's lifespan.
Neanderthals aren't the only ancient people that have left traces in our modern DNA.
A genetic technique could uncover potential new treatments for diseases by studying the animal kingdom.
Up to 90 percent of the people responsible for Stonehenge disappeared.
The flying mammals can survive on a meal that almost no other mammal can.