04/08/2015

From pluripotency to totipotency

While it is already possible to obtain in vitro pluripotent cells (ie, cells capable of generating all tissues of an embryo) from any cell type, researchers from Maria-Elena Torres-Padilla's team have pushed the limits of ...

New device converts DC electric field to terahertz radiation

Terahertz radiation, the no-man's land of the electromagnetic spectrum, has long stymied researchers. Optical technologies can finagle light in the shorter-wavelength visible and infrared range, while electromagnetic techniques ...

Riding a horse is far more complex than riding simulators

Flight simulators for the training of air pilots are well known. But what about riding simulators? Although the first horse simulator was used at the French National Equestrian School in Saumur already in the 1980s, riding ...

Protecting the environment by re-thinking death

Scientists first had to re-think death before they could develop a way of testing the potential harm to the environment caused by thousands of chemicals humankind uses each day.

The resplendent inflexibility of the rainbow

Children often ask simple questions that make you wonder if you really understand your subject. An young acquaintance of mine named Collin wondered why the colors of the rainbow were always in the same order—red, orange, ...

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