What is the point of kissing? Does it have any benefit for us or our progeny? Plus, we ask how much you'd have to fart in order to lift yourself off the ground!

• Hello Dr's! We've all heard that women on average live longer than man. My question is, ignoring... - Questions
• DNA analysed from a 50,000 year-old hominid species. - Interviews
• The DNA that makes us Human - Interviews
• Do menstrual cycles synchronise? And if so why? - Podcasts
• Dwarfism Gene - Key to a Long and Healthy Life? - News
• Vitamin D Deficiency and Multiple Sclerosis - Interviews