Survival Of The Friendliest explains why the most important thing you can do for success is to focus on your social connections. Friendliness was the reason that our early ancestors survived successfully, so it's vital to grow your social capital.

You've probably heard the phrase 'survival of the fittest.'

It's a term from the Darwinian concept of evolution meaning that only the toughest and hardiest organisms survive, while weaker ones will die off.

It makes sense that the individuals within a species that are best suited to their environment will be the ones to pass on their genes.

However, scientists Vanessa Wood and Brian Hare have an entirely different idea when it comes to the evolution of humankind.

Their theory is that among humans, the friendliest are the most likely to survive.

In Survival of the Friendliest: Understanding Our Origins and Rediscovering Our Common Humanity, Wood and Hare take a scientific look at human sociability.

Being sociable is an evolutionary trait passed down through generations to aid our survival.

Evolutionary science tends to emphasize aggression and strength, but in reality, our ability to work together is likely what ensured our survival.