Scientists are exploring that futuristic vision by using special 3-D printers to make living body parts. Called bioprinters, these machines use human cells as “ink.” A standard 3-D printer ...
Organically Human on MSN3 个月
Why You Should Teach Your Kids The Real Words For Private Partsand My Body! What I Say Goes!, help kids understand their rights ... Teach Your Kids The Real Words For Private Parts ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果