Every cell in the body has the same DNA, but different cell types—such as muscle or brain cells—use different parts of it.

In the fight against disease, programmed cell death – also known as apoptosis – is a key protective function of the body. It breaks down cells that are damaged or have undergone dangerous changes.

While you're playing around with the settings in Excel, consider switching to dark mode. If you spend all day staring at spreadsheets and find the white Excel canvas gives you a headache, switching to ...