Maybe it's not similar interests, horoscope signs, looks, or proximity that make women and men fall in love. According to evolutionary scientists, when people throw up their hands and say "it was ...

That's where Wang and colleagues come in—creating human valve cells and using them to make the pig heart valve compatible. The paper describes two major advances. First, the researchers use both ...

B positive. Another rare type, it is found in 8.5% of people. It is compatible only with B positive or AB positive blood. B negative. Someone with this very rare blood type can give blood to ...

Stuart Russell, Professor of Computer Science and founder of the Center for Human-Compatible Artificial Intelligence at the University of California, Berkeley will be the 2021 BBC Reith Lecturer.