Over the past two decades, some studies have suggested that human brains are shrinking . But there is also evidence that IQ scores have risen over the past century . But is it possible for us to get smarter as our brains shrink? Live Science contacted experts to find out. In Einstein's case, it appears that extraordinary folding patterns in several of his brain regions may help account for his genius. While there is some debate, studies suggest that there is little or no relationship between our intelligence and brain size in humans. Have human brains shrunk? Not all scientists agree on whether human brains have gotten smaller. However, many experts we spoke with said there is evidence for shrinkage over time. "My research indicates that human brain size declined during the [entire span of the] Holocene by about 10% of its volume or about 150 ml on average," Maciej Henneberg , a professor emeritus of anthropological and comparative anatomy at Adelaide University in Australia, told Live Science in an email.…