Service is to be held in the netherlands. And millions of dollars of prize money are handed out to top scientists at a glitzy awards ceremony in california. We hear more about the pioneering projects that won. Hello. We start with a developing story in nigeria, where an explosion has ripped through a school in the Northeastern State. Police say at least 47 people were killed and almost 80 injured when a suicide bomber disguised as a student attacked the school in potiskum. Our correspondent will ross is in lagos. What do we know so far, will . Reporter the blom blast went off when all of the students were assembled before the lessons began. So obviously the intention was to kill and injure as many of the students as possible. There were scenes of absolute chaos at the school and obviously at the nearby hospital when parents heard about the news of the bombing and rushed there. But the doctors and other staff at that hospital struggled to save the lives of many of the injured who came i