Stories by Nick Lane

Pigments that turn caustic on exposure to light can fight cancer, blindness and heart disease. Their lightinduced toxicity may also help explain the origin of vampire tales

Pigments that turn caustic on exposure to light can fight cancer, blindness and heart disease. Their light-induced toxicity may also help explain the origin of vampire tales

Porphyrins are light-activated chemicals that can be used to combat ills including tumors and diseases of the eye. But they have a dark side: when the wrong forms of them build up in the body, they cause a disease called porphyria