Osaka Metropolitan University researchers investigated the impact of voluntary division of roles on performing a task.

North Carolina assigns schools letter grades based on how many students pass state exams and a school’s improvement over time ...

Productivity gurus claim that the best time of day to perform different types of cognitive tasks varies substantially based on the body's biological clock, but a new study led by sleep scientists ...

Share on Pinterest A cup of green tea or roasted green tea before undergoing a mental task could help improve performance, a new study shows. Image credit: Costfoto/NurPhoto via Getty Images. Roasted ...