In most animal, plant and fungal cells DNA is stored in the nucleus coiled up in thread-like structures called chromosomes. The nucleus of one of your skin cells contains about two metres of DNA ...

We use our lips to talk, eat, drink, and breathe; they signal our emotions, health, and aesthetic beauty. It takes a complex ...

Retinal, a derivative of vitamin A, works in various ways to improve the appearance of your skin. Here’s how to determine how ...

Researchers have developed a continuously replicating model of human lip cells from donated tissue, overcoming challenges in ...