Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. What makes the cells of the muscles contract? – ...

The flow of water within a muscle fiber may dictate how quickly muscle can contract, according to a University of Michigan study. Nearly all animals use muscle to move, and it's been known for a long ...

Every movement we make, from blinking to sprinting, depends on the ability of muscle fibers to contract in a rapid and ...

Spirostomum uses a calcium-activated protein network to contract at remarkable speed without conventional muscle fibers.

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Kiki Crawford, USC Dornsife College of Letters, Arts and Sciences (THE CONVERSATION) ...