The eye on the wall spots the selfish gene. A simple experiment in a typical office kitchen takes us inside the human mind, writes Ian Sample. HONESTY may well be the best policy, but it often deserts us when no one is watching, psychologists say. Experiments...

Women can spend a lot of time on their skin trying to maintain its softness and fighting back aging. They use cleansers and moisturizers and lotions to protect their skin but then walk out the door without a thought to their lips. But your lips need protection too. Because the lips have a less melanin, oil glands and a thin outer layer, they are in constant need of moisture. The lack of collagen also aggravates this situation. Lips can be burnt easily. Dermatologists have begun to see a rise lip cancer.