This image shows a mouse embryo.

Evolving a Bigger Brain with Human DNA

Researchers have shown it is possible to pick out key changes in genetic code between humans and chimpanzees. They were then able to visualize the contributions to early brain development using mouse embryos.
The image shows an atomic force microscope recording needle illustration.

Voltage Tester for Beating Cardiac Cells

Researchers have successfully recorded current in membrane channels of contracting cardiac cells using the patch clamp technique and an atomic force microscope.