Discovered: 21 organic cell/tissue remains on Mars in a single substrate....Fig. 1 below shows 21 obvious Martian cell/tissue remains in a single... settled regarding whether or not there were cells on Mars. Fig. 1: ...from 13 micrometers to 20 micrometers. Cell remains F to L had diameters ranging from 13 micrometers to 21 micrometers. The remainders were tissue remains of 26 to 29 micrometers in...