This week in science

This week in science:

Chinese rover: http://bit.ly/1gy5Vq5
Holographic universe: http://bit.ly/1kN722I
Water on Europa: http://1.usa.gov/1c5Qi7A
Asteroids carrying life: http://bbc.in/19LXCzi
Lake on Mars: http://bit.ly/1gAoUjQ
Fresh water reservoirs: http://bit.ly/1cvnAYo
Proteins: http://bit.ly/1gXiwAD
3D printing pens: http://bit.ly/1ffFh1E