India's capital Delhi is blanketed in toxic smog every autumn, but the pollution is already so bad that it's drawn protests ...

Your first step in crafting the mask is gathering some herbs, which you can do in the Woodland Garden in the southeast of the ...

The surgical team wears masks in the operating room to reduce the risk of the patient getting an infection. This is only part ...

Historians have traced myths about the Black Death’s rapid journey across Asia to one 14th-century poem by Ibn al-Wardi. His imaginative maqāma, never meant as fact, became the foundation for ...