Tampons: Not just for feminine hygiene
Inexpensive product could help environmental engineers spot polluted rivers
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/03/lg_tampon_free.jpg?fit=860%2C460&ssl=1)
LIGHT STICK A tampon half coated with laundry detergent glows under UV light.
S. Egts
Inexpensive product could help environmental engineers spot polluted rivers
LIGHT STICK A tampon half coated with laundry detergent glows under UV light.
S. Egts