The universe is full of invisible stuff--dark matter, for example, outnumbers visible matter by a ratio of five to one. Some theoretical physicists think dark matter may be lurking in extra dimensions. Cosmologist Michael Turner discusses the dark side of the universe, and how physicists are studying it.
Ever wonder why you worked so hard to avoid the lasagna at dinner only to give into your craving for dessert? Researchers say that's because our internal reservoir of self-control can be depleted. Neuroscientist William Hedgcock discusses use of fMRI to show what happens in the brain when a person loses self-control.
A pair of Canadian skyscrapers have been dubbed the "Marilyn Monroe" towers due to their shapely form. In Abu Dhabi, twin towers are shielded from the sun by computer-controlled shading screens. Architect Antony Wood discusses features of some tall buildings that make them standouts across the world.
What if you needed a new toothbrush and all you had to do was hit print? What if doctors could print out transplantable organs and pastry chefs turned to a printer, not a kitchen, for their next creation? Ira Flatow and a panel of guests discuss 3D printing technology, how far it's come and what a 3D-printed-future could look like.
A scientific journal has finally published the details of how to make mutant forms of bird flu. These viruses were created last year by a lab that's trying to stay ahead of a possible flu pandemic, so that the world can get ready. But the work is highly controversial. The government is grappling with how to manage the risks of this kind of research without blocking scientific progress.
The research paper, which has been under scrutiny for months, publishes the recipe for a potential pandemic: It shows how just a handful of genetic mutations of the bird flu virus H5N1 allow it to spread between ferrets — the lab stand-in for people — through coughs and sneezes.
Inspiration may seem rare, but you might be able to increase the odds of having a genius moment. Research points to some surprisingly simple triggers of innovation: taking a shower, living in a far-off land or working in a blue room. Eureka!
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