the adoptive parents were never told that their children had siblings. any louise wise adoptee from the 605 has every right to think perhaps they have a twin. the separated twins were placed in a controversial study to explore what makes us who we are, and how much is defined by nature versus nurture. but at what cost? it s so emotional for me. what they did was so| unethical, so amoral. stories of twins have long captured human imagination. there is something beguiling about having an identical copy of yourself, and the resulting bond that would create. hi. hello. which one s which? i m pam. i m pauline. identical twins share all their genes having split from a single fertilised egg in the first two weeks after conception. fraternal twins share half their genes on average. they result when a women releases two eggs at the same time and they are fertilised by two separate sperm, so they have 50% of their genes in common on average, like ordinary siblings. comparing resemblanc
it s all rather depressing. onto the death of james lovelock it s all rather depressing. onto the death of james lovelock on - it s all rather depressing. onto the death of james lovelock on his - it s all rather depressing. onto the l death of james lovelock on his 103rd death of james lovelock on his 103rd birthday, stephen sackur how to talk with him, he was an extraordinary unorthodox scientist who never went along with the orthodoxy of the scientific world which made him so brilliant. did you read that book you did on the gaia theory of the universe, and just how pressing it he was about these things? of course backin he was about these things? of course back in the 19605 and he was about these things? of course back in the 19605 and 705, itju5t didn t seem as relevant as it is today. leie i didn t read the book but i ve been reading about him, such an interesting character. for such an interesting character. far ahead of his time in the 1960s and 705. ahead of his t
this is where i felt the safest. live from our studio in singapore. this is bbc news. it s newsday. a new coordination centre has begun work in turkey part of a complex deal to restart blockaded grain exports from ukraine. it s an effort to ease a global food crisis that is affecting millions around the world. more than 20 million tonnes of grain is waiting at ukrainian docks. the aim is to export five million tonnes a month, matching pre war levels. richard galpin reports. from the start of the war back in february, russian forces has been blockading ukraine s black sea ports preventing exports of ukrainian wheat and other grains vital for the food supply of many countries around the world. according to officials, there are around 20 million tonnes of grain in ukraine. with fears growing of global food shortages, it seems there may now have been a breakthrough with a deal agreed by the two sides. it is hoped it will be possible for ships to be inspected near turkey and t
live from our studio in singapore. this is bbc news. it s newsday. it s 7am in singapore, and 7pm in washington where a potential visit to taiwan by us house speaker nancy pelosi is stirring alarm in presidentjoe biden s administration. they fear the trip may cross red lines for china and that there is no exit path. beijing, which claims sovereignty over the island, has already issued harsh warnings even suggesting a possible military response. against this backdrop, president biden is expected to call president xi on thursday for the first time in months. for more, we can speak now to bonnie glaser, political commentator from the german marshall fund. she joins us from washington. thank you so much for talking to the bbc. give us a sense of what is going on in the corridors of power in washington with this potential visit. ~ ~ . visit. well, i think that there are different visit. well, i think that there are different points - visit. well, i think that there are diffe