Technology Gizmo Going out is no excuse for not doing the housework, says South Korean company Yujin Robot. It is launching a vacuum cleaning robot that you steer around your home using the keypad and video screen of a 3G cellphone. In "sentinel mode", the robot doubles as a burglar alarm: sensors detect when something moves in … News
Life Comment: Donated eggs don't come cheap NOVEMBER was an astonishing month for embryonic stem cell research. First, Shoukhrat Mitalipov at the Oregon National Primate Research Center reported producing cloned embryonic stem cells from a rhesus macaque monkey – the first from an adult primate. The decade-long dream of using cloned human stem cells to cure intractable diseases seemed on the verge … Opinion
Solar power: The future's bright IN theory, solving the world's energy problems should be pretty straightforward. Locate a piece of sun-drenched land about half the size of Texas, find a way to capture just 20 per cent of the solar energy that falls there and bingo – problem solved. You have enough power to replace the world's entire energy needs … Features
Review: Shopping Our Way to Safety by Andrew Szasz THERE'S a glaring incongruity in the public discussion of global warming. Here is perhaps the largest problem imaginable, the direct result of how people around the world have gone about producing and using energy for years. It is the epitome of a collective problem, and can be curtailed only if nations collectively agree to impose … Books & Arts
Feedback Climate sceptics vindicated...not HOLD the front page! Climate change is bunk! Hold it again! It isn't! In this hyperconnected age a story can come and go before the ink has been smeared on the dead tree, let alone dried. On 8 November many who would deny that human activity has anything to do with global … Regulars