A Japanese research team has produced induced pluripotent stem, or iPS, cells safely and efficiently by adding artificially synthesized ribonucleic acid to human blood cells. The team, comprising ...
The ten page, handwritten document shown here has descriptions of many different skateboarding tricks and the directions on how to execute them. These definitions were written by Michael Hays in ...
This large, fold out, “Original Skateboard Maneuver” chart is printed on brown paper with handwritten notes. It includes different skateboarding tricks and instructions on how to execute them. Michael ...
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