Researchers measure activity of an exercising shrimp by time, speed and oxygen level. The shrimp treadmill was invented and built by Scholnick.

The posts echoed language from U.S. Senator Joni Ernst on a February 2 X Spaces call, opens new tab with Musk and Vivek Ramaswamy, where she said, "we've put shrimp on a treadmill to see how fast ...