Studying evolution of tardigrades (Image 2)

Studying evolution of tardigrades (Image 2) 09/21/2017 01:09 PM EDT Six developmental stages of a tardigrade embryo, from the four-cell stage (top left) to the 60-cell stage (bottom right). During these stages, cells may be competing to become the immortal germ cells. [Image 1 of 2 related images. See Image ... This is an NSF Multimedia Gallery item.   Follow NSF:  This email was sent using GovDelivery Communications Cloud on behalf of: National Science Foundation Update · 4201 Wilson Boulevard · Arlington, VA 22230 · 703-292-5111