Have you ever wondered why your fingers aren't all the same length? It may seem like a small detail, but scientists say every finger has a specific purpose. According to a biological anthropologist, the shape and length of each finger help the human hand perform everything from powerful grips to delicate tasks, with evolution, genes and hormones all playing a role, as per a report by The Conversation.
The next time someone picks up a coin, types on a keyboard or carries a heavy shopping bag, they are using one of the most remarkable tools in the human body without even thinking about it.
