Most humans don’t realize that when they exchange emails with someone, anyone, they are actually exhibiting certain unspoken rules about dominance and hierarchy. The same rules regulate the exchange of grooming behavior in rhesus macaques or...
Here are the stories of the ten most popular equations of all time as voted for by readers of Physics World, including - accessibly described here for the first time - the favourite equation of all, Euler's equation.
Each is an equation that...