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I must admit that when I first heard about Twitter I thought it represented the apex of what concerns me about internet technology: solipsism and sound-bite communication. While I obviously spend a great deal of time online and thinking about the potential of these new networked digital communication structures, I also worry about the way that they too easily lead to increasingly short space and time for conversation, cutting off nuance and conversation, and what is often worse how these conversations often reduce to self-centered statements.

BBC : February 26, 2016, Friday Sperm have been made in the laboratory and used to father healthy baby mice in a pioneering move that could lead to infertility treatments. The Chinese research took a stem cell, converted it into primitive sperm and fertilised an egg to produce healthy pups.