This week in science

This week in science.

Tyrannosaur: http://bit.ly/1gnXQTC
Dark matter: http://bit.ly/1iT82m6
James Webb: http://bit.ly/1i42rdw
Microbe: http://bit.ly/1fqrMi2
Mammoth: http://bit.ly/1i9uQyS
Yellow star: http://bit.ly/1kVoFlN
Underground oceans: http://bit.ly/1gnOcjT
Acoustic cloaking device: http://bit.ly/OoySJ6