Why Do You Care About Fairness? Ask A Chimp
Squirrel monkeys, chimps and humans: Two among these are willing to give up an unfair advantage, but why? It's about greasing the social wheels, scientists say.
evolution
Bacterial Competition In Lab Shows Evolution Never Stops
Day after day, workers at Michigan State University care for and feed colonies of evolving bacteria. The original microbes have produced more than 50,000 generations in the 25 years since the experiment began. Despite predictions the bacteria might someday reach a point where they would evolve no more, the results show they keep changing.
How Did Our Brains Evolve To Equate Food With Love?
Until recently, our brains' way of connecting food with love and a sense of well-being was purely a good thing. But in a world where it's possible to feast every day, it can be a problem.