The research team wanted to avoid stressing the animals, so they took a few strands of hair from individuals living around a temple in Katmandu. (scientificamerican.com)
Needle phobes are likely familiar with acupuncture's main tool: fine, disposable needles no thicker than a few strands of hair. (sonima.com)
Also, leave a few strands of hair loose around your face. (stylecraze.com)