The science of pupillometry takes a common intuition — that you can tell a lot about someone when you look them in the eye — and makes it concrete, measurable, and extraordinarily useful. By combining ...

Boils are painful, pus-filled, and are caused by infections like Staphylococcus aureus. Cysts are painless, non-infectious growths filled with keratin or other substances. Antibiotics may treat boils ...