By magnifying and analyzing a drop of blood, a smartphone equipped with an inexpensive microscopy lens and diagnostic software can help detect malaria on the spot.

Waxed cotton’s main advantages are looks and durability. Most items of clothing made from the material harken back to a time—the late 1800s and early 1900s—when it was in common use, and are ...

Cotton is a natural plant fibre made of cellulose. Each single fibre is a tiny hollow tube, like a microscopic straw, coated in a thin layer of wax.

Important insights into the particle-filtering properties of different fabrics also offer a sense of the unseen, textured world of face masks.

The best-performing designs were a mask constructed of two layers of high-quality, heavyweight “quilter’s cotton,” a two-layer mask made with thick batik fabric, and a double-layer mask with ...

Cotton is a natural plant fibre made of cellulose. Each single fibre is a tiny hollow tube, like a microscopic straw, coated in a thin layer of wax.