The tools are only about 3mm in diameter. In a paper published in Science Robotics, we demonstrated these tools could grip, pull and cut tissue. Their extremely small size is possible as they are ...

Most brain surgery requires doctors to remove part of the skull to access hard-to-reach ... we demonstrated these tools could grip, pull and cut tissue. Their extremely small size is possible ...

Kymberlee Schopper, 52, is facing charges of trading in human tissue. Records show Schopper ... for sale on the store’s website: Two human skull fragments — $90 A human clavicle and scapula ...