Sandia National Labs has developed a micromachine that can manipulate individual human blood cells. The tiny machine contains drive motors, microfluidic channels, and manipulators jaws. It can grasp and release blood cells, one at a time, at a rate of 10 per second. The next step is to add a tiny needle so that blood or stem cells can be injected with DNA, proteins, or drugs. The full press release is available online.