Scientist lets thousands of mosquitoes bite him as he resists the urge to scratch

Think about how itchy your arm gets when a mosquito bites you. Dr Perran Stott-Ross lets thousands of mosquitoes bite his arm regularly and resists the urge to scratch thereafter. "Sometimes it can sting a little bit if they get you in the right spot, but mostly it's just a slight irritation. It's absolutely itchy later. As soon...