Biomaterials: ‘Bones’ made with 3D printer

Synthetic bones promote natural bone regeneration after being implanted into animals.Ramille Shah at Northwestern University in Evanston, Illinois, and her colleagues used a 3D printer to generate ‘hyperelastic bone’. The main component of the material was hydroxyapatite — a calcium mineral similar to one

Astronomy: Magnetism drives star birth

Magnetic fields regulate how stars are born from massive clouds of interstellar gas.A team led by Francesco Fontani at the Arcetri Astrophysical Observatory in Florence, Italy, used high-resolution data from the Atacama Large Millimeter/submillimeter Array telescope in northern Chile to create detailed maps of

Global Geophysical Services Inc. Stock Upgraded (GGS)

Global Geophysical Services Inc. Stock Upgraded (GGS) Global Geophysical Services (NYSE:GGS) has been upgraded by TheStreet Ratings from a sell to hold.. Read more on TheStreet.com Arrowstar Proposed Ground Geophysics Program on Rannie Lake, Labrador … A detailed ground based geophysics and sampling study is being considered in July 2012 …