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 ...

Aside from apparently having both the ability to reproduce on their own and simultaneously never being around when you need one, USB chargers seem innocuous enough. The specs are simple: convert ...

When chlorine (as a gas or dissolved in water) is added to sodium bromide solution, the chlorine takes the place of the bromine. Because chlorine is more reactive than bromine, it displaces ...

Global mean surface warming throughout the 21st century will be largely determined by cumulative emissions of carbon dioxide (CO 2) and the other long-lived greenhouse gases, and what proportion of ...

This table summarises some of the properties and uses of three halogens: ...