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What do you get if you cross a chimp with a pig?

It sounds like a joke… but the punch line might surprise you. According to American geneticist Dr. Eugene McCarthy, the answer is… no offence… you! Well, not just you but all of us – as he claims that: ‘humans evolved after a female chimpanzee mated with a pig’. Unsurprisingly, his hypothesis has not been published … Continue reading

Is it better to be a sheep or a maverick?

In everyday life, it is often easiest to follow the crowd and just ‘fit in’; but bucking the trend can offer its own benefits. In evolution, similar rules apply. When the fitness, or evolutionary value, of a given trait or characteristic depends on how common it is in a population, it is called frequency-dependent selection. … Continue reading