Warts are tough little lumps on your skin that are caused by a virus called “human papillomavirus”, or HPV. These lumps are small, rough, and can appear on your palms, knuckles, and knees ...

Flat warts (verruca plana) are small, slightly raised bumps that appear in clusters. They're caused by the human papillomavirus (HPV), a group of more than 100 viral strains. HPV is the most common ...

A tiny larva laid inside rosebuds, laid by the false codling moth, is threatening flower supplies coming out of Kenya. © 2025 Fortune Media IP Limited. All Rights ...