US troops arrive in Poland as the interim government in Ukraine resumes an offensive against pro-Russia separatists in the east of the country. Ivor Bennett reports on the breakdown of an Easter truce agreement, and how the threat of more sanctions from the US could hit markets.
Journey through quail embryo wins Nikon science video prize
Sequential images of a ten day old quail embryo have won Portuguese biologist, Gabriel G. Martins first prize in this year's Nikon Small World in Motion Photomicrography Competition. The entry was one of hundreds submitted for the contest, which aims to highlight the latest techniques of scientific imaging.
3D printing used to be an expensive affair that was only possible on industrial-sized machines. However 3D Systems has created an affordable 3D printer for consumers to create their own 3D designs at home. MSN Tech and Gadgets speaks to vice president of the company, Rajeev Kulkarni, to get a closer look.