system after all and maybe some of us are able to use them scientists at the university of munich in germany say they've discovered internal compass needles in the noses of rainbow trout which help explain why that fish and other animals can travel and navigate using the earth's magnetic field prior to this discovery researchers have discovered biological g.p.s. maps in the brains of pigeons which help explain how information on magnetism is in coded and translated in the brain or east. had no idea which specific cells in the pigeons were able to detect the earth's magnetic field and convert that information in a nerve impulse is speaking about the trout discovery universe university of munich geophysicist michael when called for said that the magnetic field penetrates the whole organism so such cells could be located almost anywhere making them hard to identify however will offer and his team discovered a set of cells that could sense of magnetism in the old factory epithelium of the trout around the nose area of the fish so with the knowledge that animals like rainbow trout and pige

but up until now, it had been thought that only four copies existed until a search at the university of munich stumbled on to this one. >> the 19th century music library and bound two prints together, and at that time, they did not know about the significance of this map. therefore, it was kept here, and no one knew about it. >> now, they do. and just in time for american independence day. bbc news. >> more than half the votes cast in the next election will be recounted after inconsistencies were found with the voting. the leader of the left party, manuel op -- obrador, has asked for a recount. the leader has denied that there were problems with the vote. >> thinking for granting us this time. the counting process here in mexico is still underway, and your opponent has already called for a recount. >> i am the president chosen by the vast majority of elections. clearly, but the process continues. after the polling day, there is another count. that begins today, and it will be completed by sunday. but where there is no doubt is in the expression of the majority of mexican society, where evident

shanghai university's academic ranking of world universities includes 5 german institutions in the top 100. ludwig-maximilians university munich, or lmu, is considered the country's best -- especially for medicine and economics. there are currently around 250 thousand international students in germany. but very few of them stay in the country after finishing their degree -- and that's especially problematic because germany has a shortage of skilled professionals. that's why the government is trying to find ways to convince foreign students to stay. it's the richest and not necessarily the brightest who get access to all these opportunities. a hindrance to the personal development of disadvantaged students. but also a loss to us all, when smart minds are stopped from contributing to our societies. the colombian entrepreneur felipe vergara has set out to break this glass ceiling for poor students. his organization lumni targets underprivileged youths all across south america and helps them through stipends. we meet the man who invests in educating young minds to create a brighter future. >> colombia's bustling capital bogota is