Weitere Ideen von Marc
This is a cross section of a single blade of grass, stained for the microscope. The smiley faces are the channels that the water is drawn up through. It was just taken 2 weeks ago at the EM lab. Amazing!

This is a cross section of a single blade of grass, stained for the microscope. The smiley faces are the channels that the water is drawn up through. It was just taken 2 weeks ago at the EM lab. Amazing!