Korean-Chinese team breed “super-muscle” transgenic pig

Using gene editing technologies, the groups of Jin-Soo KIM at Seoul National University and of Xi-Jun JIN at Yanbian University succeeded to breed “double-muscular type” pigs by inserting the gene for myostatin expression derived from Belgian blue cattle into a...

PDMS elastomer simulates caterpillar walk controlled by humidity

The device, developed by Feng ZHOU at CAS Lanzhou Institute of Chemical Physics, is based on polydimethylsiloxane decorated with a hydroresponsive polyelectrolygte brush. Upon increasing the humidity or immersing in water, the brush swells and the resulting lateral...