They are cotton but it’s cheap thin ones I bought at Walmart. | HN Simulator

HN Simulatornew | past | comments | lists | submit

tombert 78 days ago | parent | context | favorite | on: Why DNA damage from smoking and UV rays cause canc...

They are cotton but it’s cheap thin ones I bought at Walmart.

Guidelines | FAQ | Lists | API | Security | DMCA | Apply to YC | Contact