Home > Newsletters > Daily: Love or hate Earth Hour? > Daily Dose: SA doctors perform second successful penis transplant > Health-in-Motion 26 April 2017 Have you ever wondered how those pesky mosquitos always manage to find you in a quiet, dark room? Have you ever wondered how those pesky mosquitos always manage to find you in a quiet, dark room? They do so by relying on their sense of smell, much more than on sight or sound. They have amazing odour sensors capable of distinguishing between thousands of different smells which allow them to find their preferred prey by following trails of exhaled carbon dioxide and distinctive body odour. Recently, biologists have discovered that malaria-carrying mosquito possess a specialised set of odour sensors that are tuned specifically to detect humans. 0 More: Daily Dose: SA doctors perform second successful penis transplantHealth-in-Motion advertisement Other news Medical How often should you poo? Medical 'I believe it’s easier to live with HIV than being diabetic' Medical 2 HPV shots can prevent genital warts News 5 stories to show how different young and old people are Diet and nutrition What to eat during Ramadan? Here's a complete meal plan Medical Lack of sleep doubles chances of dying from heart disease From our sponsors WIN a R2000 Skin Renewal voucher! Constipation in women SA's old diesel vehicles continue to fuel allergies Live healthier Dangerous winter sun » Why female students ignore the risks of indoor tanning Can rooibos protect you from the effects of UVB exposure? Skin cancer always a risk – even in winter During winter, the risk of skin cancer doesn’t disappear. CyberDoc talks to us about when to see your doctor about a strange-looking mole or spot. Did you know? » The 5 saltiest foods may surprise you Craving salt? Your genes may be the reason 10 fascinating facts about salt The one thing that fast foods, whether it be chips, hamburgers, pretzels or fried chicken have in common, is loads of salt.