Dr. Elizabeth Yuko is a bioethicist and adjunct professor of ethics at Fordham University. She has written for The New York Times, The Washington Post, The Atlantic, Rolling Stone, CNN & Playboy.

Tucked away inside our wheels, hidden by bearing shields and truck bolts, are the unsung heroes of the skateboard: the bearings. These ABEC soldiers are the only protection against all the dust, dirt ...

Rusty tools are a worker's worst nightmare as if left unattended, oxidisation can penetrate and damage below the surface. Ultimately, this can cause pricey repairs or even warrant replacements.

Any items made from iron or iron alloys are prone to developing rust when exposed to moisture or oxygen. This exposure causes a chemical process called oxidation, where iron is converted to iron oxide ...