The doorbell rang, a watchman stood outside my door. It was two in the morning. “Drunk girl on the staircase sir!” he said. I called out to my daughter to come with me. We walked to the building near the gate. She was sprawled on the first floor landing, my daughter went to her and slowly…

Genes may be responsible for why some people immediately burst into laughter after a humorous moment while others can barely crack a smile, scientists say. Researchers have found that people with a certain genetic variant - those with short alleles of the gene 5-HTTLPR - smiled or laughed more while…