How conflicts spread through monkey societies

How does conflict spread through a society? One way to think of conflict spreading is to picture an epidemic, with aggressive individuals "infecting" others and causing them to join the fight.

New framework embraces uncertainty to make sense of history

There are many things we don't know about how history unfolds. The process might be impersonal, even inevitable, as some social scientists have suggested; human societies might be doomed to decline. Or, individual actions ...

Most innovations are rephrasings of past techs

Most new patents are combinations of existing ideas and pretty much always have been, even as the stream of fundamentally new core technologies has slowed, according to a new paper in the Journal of the Royal Society Interface ...

Hidden genetic variations power evolutionary leaps

Laboratory populations that quietly amass 'cryptic' genetic variants are capable of surprising evolutionary leaps, according to a paper in the July 26 issue of Science. A better understanding of cryptic variation may improve ...

Cities provide paths from poverty to sustainability

New international agreements commit all UN member nations to solving humanity's greatest challenges over the next few decades, from eliminating extreme poverty and unhealthy living conditions to addressing climate change ...

When it comes to extinction, body size matters

On a certain level, extinction is all about energy. Animals move over their surroundings like pacmen, chomping up resources to fuel their survival. If they gain a certain energy threshold, they reproduce, essentially earning ...

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