In the polluted waters off the Indonesian island of Sumbawa, this seahorse latched onto a plastic cotton swab—“a photo I wish didn’t exist,” says photographer Justin Hofman. PHOTOGRAPH BY ...

Using everyday materials like cotton swabs and a plastic lid, you can create a lightweight and modern decorative piece. Prepare the Base: Take a plastic lid (preferably round) as the foundation ...

The experiment followed an earlier investigation by Alex English, in which he performed similar swab tests on gate seating at ...

Place a coffee filter on a tray or newspaper. In a small plastic cup, add 2 drops of green food coloring. Use a cotton swab to soak up the food coloring into one end of the swab. Touch the end of the ...

If necessary, protect non-glass surfaces of an overhead projector with clear plastic. Dip one Q-tip into concentrated hydrochloric acid (HCl) and a second cotton swab into concentrated aqueous ammonia ...