No feature of the mind is as important, controversial, and mysterious as intelligence. It is one of the brain's highest-order activities, allowing us to navigate the complexities of everyday life—thinking, remembering, planning, learning, organizing, solving problems, making snap judgments, and pondering difficult decisions. It is the epitome of brain function, and it has a powerful influence on success in life. And thanks to decades of research, we are closer than ever before to understanding it.
The Beatles were an English rock band formed in Liverpool in 1960. With a line-up comprising John Lennon, Paul McCartney, George Harrison and Ringo Starr, they are often regarded as the most influential band of all time. The group were integral to the evolution of pop music into an art form and to the development of the counterculture of the 1960s. Their sound, rooted in skiffle, beat and 1950s rock and roll, incorporated elements of classical music and traditional pop in innovative ways. They also pioneered recording techniques and explored music styles ranging from ballads and Indian music to psychedelia and hard rock. As they continued to draw influences from a variety of cultural sources, their musical and lyrical sophistication grew, and they came to be seen as embodying the era's socio-cultural movements…