The building was a very simple strucutre, five walls holding up a conical roof. It was constraucted from marbles, which in this landscape full of grass and sand was remarkable in of itself. What was even mor remarkabe, was that it seemed to stand alone, no other signs of buildings or life were to be seen.
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To test this, researchers asked 20 people to pick up marbles from water with their hands.
为了测试这一点，研究人员让20人用手从水中捡弹珠。
Our ancestors might not play with marbles, but wrinkled fingers could make it easier for them to climb around in the wet forests and catch fish from rivers.
我们的祖先可能不会玩弹珠，但起皱的手指可以让他们更容易在潮湿的森林里爬来爬去和从河里抓鱼。
Hertz-Picciotto is the principal investigator on the CHARGE (Childhood Autism Risk from Genetics and the Environment) and MARBLES (Markers of Autism Risk in Babies-Learning Early Signs) studies.
Hertz - Picciotto是这两项研究(基因和环境致病儿童孤独症charge，婴儿早期学习中的孤独症表征MARBLES)的主要投资人。
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