Slices of mouse brain that were kept at -150°C for up to a week have shown near-normal electrical activity after being warmed up. The results could take us a step closer towards cooling and ...

then sliced that piece of the mouse’s brain into more than 25,000 layers, each a tiny fraction of the width of a human hair, and took high resolution photos of the slices through microscopes.

Using a speck of mouse brain matter the size of a grain of sand ... and took images of each slice along the way. They then reconstructed the images into a composite. “That took us about 12 ...

The researchers then dissected the mouse brain and doused the cubic millimeter with hardening chemicals. Then they shaved off 28,000 slices from the block of tissue, capturing an image of each one.

To do so, Papouin and his team stimulated norepinephrine secretion from mouse brain cells or exposed mouse brain slices to norepinephrine and found that norepinephrine weakened connections between ...

This is the first time that brain tissue has been cryogenically frozen and revived without damage. In a process called vitrification, researchers treated slices of mouse brains with ...