Given that humanity 's arboreal simian ancestors would presumably have had little need to run , it is probably the latter .
假设人类生活在丛林中的猿类祖先没有奔跑的需要,则后者很有可能是事实。
For the first time , scientists have shown that chimpanzees in the wild become sick and die from the simian version of aids .
科学家们第一次验证了野生黑猩猩也可因为感染猿类艾滋病而生病和死亡。
Although the researchers did not explicitly examine the health of their simian charges , chronic , generalised inflammation is a risk factor , in people , for a long list of ailments ranging from heart trouble to alzheimer 's disease .
Routine genetic sequencing of the virus showed it looked like no other sample of aids virus and it was eventually compared to a gorilla simian immunodeficiency virus , itself only discovered in 2006 .
The only chimpanzee that was naturally infected with the simian virus and underwent standard virological and immunological tests showed none of the typical damage of aids , like low cd-4 cell counts and damaged lymph nodes .
A certain gene in some monkeys can help boost vaccine protection against simian immunodeficiency virus ( siv ) , a trait that could help researchers develop better aids vaccines for humans , suggested a study out wednesday .
African monkeys infected with the virus that causes simian aids have rarely developed aids .
非洲猴子在感染了猿类aids的病毒后很少发病。
Young males , whether simian or human , prefer toys that can be used actively or propelled in space , and which afford greater opportunities for rough play .
年幼的雄性,不论人类还是猴子都喜欢那些有动力、能运动的玩具,而这些也给他们更多机会做粗犷的活动。
Even fully paid-up members of the enlightenment , people who would not for a moment deny humanity 's simian ancestry , are often sceptical .
即使是完全信赖启蒙运动的人士,这些从不否认人的猿血统祖先的人们,也经常持怀疑论。
The three previously known hiv strains are related to the simian virus that occurs in chimpanzees .