Women's hands boast more bugs

2017-04-16 06:00:13

LADIES, your hands are a zoo. Sampling the DNA on human skin has revealed that while women’s hands get washed more often than men’s, they teem with a more diverse selection of bacteria. Noah Fierer and colleagues at the University of Colorado at Boulder swabbed the palms of 51 students leaving an exam. When they amplified and sequenced the DNA, they found 4742 species of bacteria in total – nearly 100 times as many as previously seen. On average,