The black sheep though seem to be blood group B - flamboyant free-thinkers, but selfish. But somehow I got the job anyway." Later, though, the issue of his blood came up again. 'Get out.'" There is even a term for such behaviour in Japan, burahara, which translates as blood group harassment.
"At the interview for my first job they asked me about my blood type," said a man with blood group B, who wanted to identify himself only as Kouichi. "The president was the kind of person who couldn't take her drink and at one company party she got drunk. The preoccupation with blood ultimately dates back to theories of eugenics during the inter-war years.
The large increase in radioactive carbon in relation to non-radioactive carbon can be used as a timeline which is helpful when dating for example human tissue.
One says she decided to narrow down her search for a boyfriend after a bad experience with a man with type B. "But I couldn't help getting annoyed by how disorganised he was." "I really would like someone with type A blood," added her friend.
"My image is of someone who is down to earth, something like that." 'Burahara'Interest in blood type is widespread in Japan, particularly which combinations are best for romance.
It is a scene repeated in cities across the world but this speed dating session in Japan has a twist.
It is for women who want to meet men with blood group A or AB.
Decisive and confident - that is people with type O.
ABs are well balanced, clear-sighted and logical, but also high-maintenance and distant. She'd obviously had a bad experience with a B type blood person.
It is Saturday night and a speed dating session is under way in a small building in the backstreets of Tokyo.
Men and women are sitting nervously at tables hoping to find that special someone.
The documentary series ‘Making a Murderer’ looks at the story of Steven Avery, who is currently serving a life prison sentence for the murder of photographer Teresa Halbach in Wisconsin. Now, researchers at KI will carry out tests of the blood trail used as evidence in the case, which should help show whether he was correctly convicted or not.