Photos of people smiling, collected from all over. [Searched, but did not find this posted yet.] picked by hisidea 12 months ago

A dazzling white smile might be essential for Hollywood stars. But those glow-in-the-dark teeth aren't right for most people, according to scientists who have worked out a formula for the perfect smile. They took several factors into account, including the size and width of each tooth, the curve, colour and shape of the teeth and the overall width of the mouth. picked by AutumnLotus 9 months ago

Researchers have known for years that psychological trauma that results in post-traumatic stress disorder (PTSD) or depression can change how a person responds to stress. Now, Cornell researchers report that rapes, sudden deaths of loved ones, life-threatening accidents and other such traumas may result in long-term changes even if the survivor doesn't develop a clinical disorder. picked by dollyllama 9 months ago

Wondering if your dog or cat is stressed? Just stick a special patch on the bottom of its paw and you'll be able to tell, according to a Japanese company. picked by AutumnLotus 1 year ago

An unnamed man was arrested in Salt Lake City after allegedly flashing a mouthful of cocaine at police officers. picked by AutumnLotus 1 year ago

American psychologists warn about danger of sinking into holiday depression and high risk of stress situations. The process of preparation and celebration of Christmas and New Year makes citizens eating their fill, getting drunk and running shopping searching for huge quantity of gifts for hours... picked by femina 2 years ago