Sentences with phrase «ancestral humans did»
A few researchers have argued that ancestral humans did not regularly control fire until more recently, and others, such as Richard Wrangham of Harvard University, think that our ancestors mastered fire much earlier.
http://www.sciencemag.org/ Not exact matches
Each can serve as a useful tool for determining ancestral relationships because they don't undergo the shuffling and swapping of genetic material that occurs routinely in most human chromosomes.
By comparing how gut microbes from human vegetarians and grass - grazing baboons digest different diets, researchers have shown that ancestral human diets, so called «paleo» diets, did not necessarily result in better appetite suppression.
The mutant far more easily infected human immune cells than did the ancestral pseudotype, the team reports today in Cell.
Ancestral humans carried 40.7 million more DNA base pairs than people do today, researchers report online August 6 in Science.
Much of our enjoyment of earthdog tests as human participants derives from the clear, obvious, and exuberant joy our dogs display when they are given an opportunity to do something similar to their ancestral purpose: going to ground, working quarry, partnering with a human handler.
Although the vast majority of genetic variation exists within populations (Lewontin, 1972), a measurable proportion of human genetic variation does exist between populations of different ancestral origins.