Wissenschaft auf die Ohren Folgen

Hoch über unseren Köpfen bildet das Erdmagnetfeld den äußersten Schutzschild unseres Planeten gegen Strahlung aus dem Weltall. Dabei entsteht es kilometertief unter unseren Füßen.

How much water should you be drinking? There is some age-old advice that suggests you should be drinking eight ounces (230 ml) eight times a day. Some people even advise you should be drinking this on top of what you normally drink. There is lots of advice out there but how do you know when you?ve had enough or if you?re drinking too much. With help from Professor Stanley Goldfarb from the University of Pennsylvania, Wesley Stephenson finds out.

A huge hole was left in the world this week with the death of the Swedish statistician Han Rosling. He was a master communicator whose captivating presentations on global development were watched by millions. He had the ear of those with power and influence. His friend Bill Gates said Hans ?brought data to life and helped the world see the human progress it often overlooked?. In a world that often looks at the bad news coming out of the developing world, Rosling was determined to spread the good news, extended life expectancy, falling rates of disease and infant mortality. Quelle: http://www.bbc.co.uk/programmes/p04slydb