scientists grow human cells inside pig embryo

Scientists have grown human cells inside pig embryo.

This is just a start of growing human organs in animals to transplant into people.

In other science news..

1. Space travel may cause genetic changes -NASA

2. Insect species similar to ET discovered

3  Largest volcanic eruption occured 73,000 years ago

4.  Saturn's moon Tethys looks similar to 'Death Star' in new images

5.  Juno satellites captures Jupitar's little red spot