大象传媒

What research into how primates deal with SIV (simian immunodeficiency virus) might teach us about HIV (human immunodeficiency virus). Artificial muscles could soon make a bionic man a reality. How scientists have weighed the biggest object in the universe, a black hole at the centre of a distant quasar. The role of the neurotransmitter dopamine in learning in situations were there is a possible reward involved.