anne soy, bbc news. a groundbreaking study by nasa has compared two twins on cognitive tests, but one is in space and one at home on earth. the research provides valuable insights into the effects of extended spaceflight on the human body, which will help to plan a future mission to mars. astronaut scott kelly was sent up to the international space station for a year, while his twin brother, former astronaut mark kelly, stayed at home and lived his life as normal. researchers have been testing their biology and comparing them, hoping to get an idea of how the human body responds to being in space for long periods of time. well, to discuss the findings is dr susan bailey from of colorado state university, who was involved in the study at nasa. thank you forjoining us this evening. first of all, explain to us what the research found, what was the difference between these two men? thank you very much for having me, and foryour men? thank you very much for having me, and for your interest in the study. certa

our senior africa correspondent anne soy reports. uncertain times in sudan, but protesters are undeterred. they say the revolution isn't over yet. the country's strongman may be gone, but in his place now are some of his closest allies. but the people are demanding an end to military rule. translation: we want a civilian transitional government as soon as possible. if it has to be the army who makes this happen, then we don't want anyone from their side who has been part of the regime in any way. translation: why isn't there a transitional government? all those people who died, have theyjust gone in vain? we cannot accept this. there are fears the army generals who toppled the president will do anything to hold onto power. they supported repression for decades, but the generals are now promising reform, political dialogue and a transition to civilian government. translation: all of us, we should work hand in hand. we are not against the demands of the people. we are for the demands of the people. but this evening, in an extraordinary

anne soy, bbc news. prosecutors in sweden are considering whether to reopen an investigation into a rape allegation againstjulian assange. the wikilea ks founder was arrested on thursday, when ecuador revoked his asylum at its embassy in london, after nearly seven years. the us wants him extradited to face charges of conspiracy to hack a government computer. but, here in the uk the opposition labour party says he shouldn't be sent to america for having exposed evidence of us atrocities in iraq and afghanistan. here's tom symonds. swedish prosecutors have been pursuing julian assange for years about rape, coercion and molestation allegations. he took refuge in the ecuadorian embassy. eventually, the prosecutors stopped trying to question him. but when the metropolitan police dragged him into custody, they got a second chance. they have until next august to restart the rape investigation. assange fought not to go to sweden because he was worried sweden would extradite him to the us. now britain's consideri

anne soy, bbc news. let's get some of the day's other news: judges at the international criminal court have rejected a request by a prosecutor to investigate alleged war crimes in afghanistan. the judges said crimes might well have been committed by us military personnel, the afghan army and the taliban, but they felt there was little chance of prosecutions. the human rights group amnesty international has criticised the ruling. north korea's leader, kimjong—un, has said he is only interested in meeting president trump again if he comes with the right attitude. mr kim said the collapse of his second summit with mr trump in february raised the risk of a return to past tensions and that the us needed to come up with a new approach before the end of the year. washington insists that it will not lift sanctions until pyongyang has got rid its nuclear capability. mr trump said though he was considering a potential third summit. thousands of pakistanis have gathered in the central city othang to create a huma

anne soy, bbc news. more than 70 british mps and peers have signed a letter urging the government to allow the extradition ofjulian assange to sweden if a formal request is made. the founder of wikileaks, who was arrested at the ecuadorian embassy in london on thursday is facing rape and sexual assault allegations there. the us also wants him extradited to face charges of conspiracy to hack a government computer. but here in the uk, the opposition labor party says he should be sent to america for having exposed evidence of us atrocities in iraq and afghanistan. swedish prosecutors have been pursuing julian assange for years about rape, coercion and molestation allegations. he took refuge in the ecuadorian embassy. eventually, the prosecutors stopped trying to question him. but when the metropolitan police dragged him into custody, they got a second chance. they have until next august to restart the rape investigation. assange fought not to go to sweden because he was worried sweden would extradite him to

anne soy, bbc news. more than 70 british mps and peers have signed a letter urging the government to allow the extradition ofjulian assange to sweden if a formal request is made. the founder of wikilea ks, who was arrested at the ecuadorian embassy in london on thursday is facing rape and sexual assault allegations there. the us also wants him extradited to face charges of conspiracy to hack a government computer. but here in the uk, the opposition labor party says he should be sent to america for having exposed evidence of us atrocities in iraq and afghanistan. swedish prosecutors have been pursuing julian assange for years about rape, coercion and molestation allegations. he took refuge in the ecuadorian embassy. eventually, the prosecutors stopped trying to question him. but when the metropolitan police dragged him into custody, they got a second chance. they have until next august to restart the rape investigation. assange fought not to go to sweden because he was worried sweden would extradite him t

anne soy, bbc news. england's ian poulter has had a good second day at the masters. he's two shots behind three joint leaders who are 7 under par. andy swiss reports from augusta, georgia. a decidedly soggy start to day two. 0vernight rains meant the early fans in augusta had to watch their step, a day for careful progress and england's ian poulter achieved precisely that. another fine performance keeping him right in contention. others that were making even bigger strides. last year's open champion francesco molinari shooting at the leaderboard with one of the rounds of the day. as for tiger woods, well, once again he showed he has not lost his touch. the croud certainly enjoyed this one. some 22 years on from his first masters title, still in the hunt. after his disappointing first round, it was a better start for rory mcelroy, a flash of early brilliance to get him going. although he still has plenty of ground to make up. it was another good day for america's brooks koepka, who began it with a share of the lead and produced another impressive round. but it was woo

let's talk to our senior africa correspondent anne soy, she is following events from nairobi. exactly what is going on at the moment? nobody knows what is going on. as you said, the announcement hasn't gone. it has been more than six hours since the military promise that they were going to make an important announcement and people are becoming more anxious to know what is going on behind—the—scenes and the consultations going on. we had previously that turn to may have stepped down and consultations were going on to form a transitional government. the sudanese professional association that is the body that organised the protests came out earlier to day to say that they have not been part of what is going on and insisted that they must have a transitional, single government, notjust have a transitional, single government, not just any have a transitional, single government, notjust any other government, notjust any other government because there are fears with the military‘s involvement, this has been part of omar al bashir‘s government, it is going to bea bashir‘s go

our senior africa correspondent anne soy reports. anne: uncertain times in sudan. protes rs are undeterred. they say the revolution isn't over yet. the country's strongman may be gone, but in his place are some of his closest allies. but the people demanding an e to military rule. >> we want a civilian transitional government as soon as possible. if it has to be the this happened, than we don't want anyone from their site has been part of the regime anyway. >> why isn't there a transitionalovernment? all those people who died gone in vain. we cannot accept this. fears the army togenerals will do anythin hold on to power. they supported repression for decades. the generals are now promising reform, a political dialogue, and aransition to civilian government. >> all of us should work hand-in-hand. we are not against the demands of the people we are for the demands of the people. evening, anis development, the men sworn in only yesterday as gndan's new military leader announced his reion. general ibn auf is pending off his seat to someone perhaps more sympathetic to p

ou senior africa correspondent anne soy reports. rtanne: uncen times in sudan. protesters are undeterred. they say the revolution isn't over y. the country's strongman may be gone, but in his place are some of his closest allies. but the people demanding anil ed toary rule. >> we wt a civilian transitional government as soon as possible. if it has to be the army mas this happened, thawe don't nt anyone from their site has been part of the regime anyway. >> why isn't there a transitional government? all those people who died gone in vain. we cannot accept this. fears the army generals will do an thing to hold power. they supported repression for decades. rethe generalsow promising reform, a political dialogue, and a transition to civilian government. >> hand-in-hand.ould work we are not against the demands of the pple we are for the demands of the people. anne: but this eveningand extraordinary development, ine men sworn nly yesterday as sudan's new military leader announced his resignation. general ibn auf is pending off his seato t someone perhaps more sympathe