Hopefully, the pursuit of science will give us some real answers to real questions. Like why an internet-famous cat named Monkey has such a mischievous little smile.

Actin filaments are made up of identical actin proteins arranged in a long spiral chain. Like microtubules, actin filaments have plus and minus ends, with more ATP-powered growth occurring at a ...

An individual sarcomere contains many parallel actin (thin) and myosin (thick) filaments. The interaction of myosin and actin proteins is at the core of our current understanding of sarcomere ...