Cell connected We're now a step closer to cyborgs—beings that are half-human, half-machine—with the successful connection of living tissue to electronic components. Peter Fromherz at the Max-Planck Institute for Biochemistry in Martinsried, Germany, took human kidney cells and genetically engineered them to make ion channels—the gateways in the cell membrane that allow nerves to transmit electrical signals. … News
Postcards from the cutting edge IT'S the single most powerful driving force for change. In the space of a century we've seen the rise of Orville and Wilbur's engine with wings, the atom bomb, space travel, the Internet and now robots that sequence DNA at lightning speed. When it comes to changing our lives and world, nothing comes close to … Opinion
Eat your crusts HOW do you swallow an island? It's a conundrum faced over and again by the great ocean trenches that skirt many of the world's continents, where the vast oceanic plates of the seabed are gulped down into the Earth's interior. The plates don't slip down easily. From the moment they are dished up on the … Features
Julian Barbour In Slaughterhouse Five by Kurt Vonnegut (Vintage, 1991), its antihero, Billy Pilgrim, can see the whole of time at once. That Vonnegut's story is a must for physicist Julian Barbour isn't too surprising. Seeing all time at once is the thesis of his own book The End of Time (Weidenfeld & Nicolson, 1999). Barbour is … Books & Arts
The Last Word Up in the air Question : While discussing holiday flying arrangements, a friend and I began to speculate on how many people throughout the world, on average, are flying in an aircraft at any one time. What proportion of the world's population does this represent? Answer : According to the International Air Transport Association in … Regulars