A little more than a year ago, on a trip to Nairobi, Kenya, some colleagues and I met a 12-year-old Masai boy named Richard Turere, who told us a fascinating story. His family raises livestock on the ...

Human development is influenced by, but not entirely determined by, our parents and our genes. Children may have very different personalities, and different strengths and weaknesses, than the ...

Mountains are areas of land that are much higher than the land surrounding them. They are higher and usually steeper than a hill and are generally over 600 metres high. They are often found together ...