4. A big head
While there is debate over how much the size of the brain contributes to intelligence, having a big head can make you smarter, but not for the reasons you think. Lower neuron density within the brain can help your brain work efficiently.
5. A broad forehead
According to the practice of Chinese face reading, having a broad forehead is a sign of intelligence and skill. Generally, they are also believed to be able to finish tasks earlier and usually don’t need things explained to them.