Studies also observed that people still voluntarily engage in mentally challenging tasks, despite their adverse nature. Dr Bijleveld said: “For example, why do millions of people play chess?

and the disparities between different groups in the private and public sectors as well as the urban and rural population makes reform a very difficult task. Also, pension reforms are unpopular ...

Talking Supplements: The Equine Veterinarian’s Challenging Task originally appeared on Paulick Report.

He concluded: "The people in our team working on the Tour will have to look at the possible alternatives. But there aren't that many. It's going to be a challenging task." ...

They found in three different number-based tasks that chimpanzees performed better on the most difficult task as the number of experimenters watching them increased. In contrast, they also found ...