Why do humans have such big brains?

The results of a new study are quite surprising.

About 100,000 years ago, people with autism were championed, not shunned, and may even have shaped human evolution

Their unique skills provided a huge advantage to the groups who embraced them.

The grandmother hypothesis – grandma babysitting helped us evolve longer lifespans

Strangely enough, it was computer simulation that provided the mathematical support for the grandmother hypothesis – a famous yet controversial theory which suggests adult humans have longer lifespans as a result of grandmother babysitting. Longevity genes The simulation indicates that without any estimate of the brain size, an animal with a chimp-like lifespan can evolve in only 60.000 to live