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A group of prehistoric people called the Boskops by scientists might have been even smarter than modern humans.

Richard Granger: The Boskops they are one [-----1-----] of a set of skulls, dating from roughly ten thousand or so years ago and all with skull sizes and estimated brain sizes substantially larger than our own.

That's neuroscientist Richard Granger of Dartmouth College is [-----2-----] of a new book on the origins and future of human intelligence. Not all scientists agree the Boskops species even existed. But Granger speculates that – if they did exist and their brains were extra large – the Boskops might have enjoyed an enhanced mental life.

Richard Granger: We typically all have had the sensation of starting thinking of some topic and going down some [-----3-----] in our minds and realizing that we've imagined some world. It's possible that the bigger the brain, the richer the imagined world that you can conjure.

[-----4-----]

Richard Granger: It's often been suggested in the scientific literature that mammals with too big a head would tend species, overall might tend to die in childbirth at too high a rate and the species might not be [-----5-----].

For today, that's our show, I am Deborah Byrd from E&S, a clear voice for science. We are at E&S. org.

【视听版科学小组荣誉出品】
instance co-author alleyway But if the Boskops had so much brain power, why didn't they survive? viable
1. instance n. 例子,事例,实例;场合,情况vt. 举…为例,引证;用例子说明 2. co-author n. 合著者 3. alleyway n. 小巷，背街 4. 如果博斯科普人脑力那么发达，为什么他们没有生存下来呢？ 5. viable adj. 1. 能养活的,能生育的 2.有可能性的 【扩充知识】： Boskop Man was once thought to be a unique and ancient hominid genus. The possible genus was based on a skull discovered in 1913.The skull of this hominid was 30 percent larger than the modern human skull. They lived in southern Africa probably between 30,000 and 10,000 years ago. The term "Boskop Man" is no longer used by anthropologists, and their supposedly unusual characteristics are considered to be a misinterpretation. 【视听版科学小组荣誉出品】 以上仅供参考,欢迎大家参与讨论~