News tagged with letter

New terahertz device could strengthen security

We are all familiar with the hassles that accompany air travel. We shuffle through long lines, remove our shoes, and carry liquids in regulation-sized tubes. And even after all the effort, we still wonder if these procedures ...

Nov 21, 2014
4.8 / 5 (9) 4

Paramecia need Newton for navigation

While single-celled paramecia have the ability to respond to certain external stimuli, they appear not to use that sensory system for simple navigation, new research finds. The work suggests that the ability ...

Nov 18, 2014
5 / 5 (6) 0

Using science to open way to 'blue economy'

Today, scientists at the Natural Capital Project share new science and open source software that can calculate risk to coastal and marine ecosystems. These novel tools, described in the journal Environmental Research Letters, were u ...

Nov 18, 2014
4 / 5 (4) 6

Mars, too, has macroweather

Weather, which changes day-to-day due to constant fluctuations in the atmosphere, and climate, which varies over decades, are familiar. More recently, a third regime, called "macroweather," has been used ...

Nov 13, 2014
4.3 / 5 (7) 0

Molecules in a fluid not randomly arranged

FOM PhD researcher Matthijs Panman and his colleagues from the University of Amsterdam have demonstrated that molecules in liquid alcohol are not randomly oriented with respect to each other. The angle between ...

Nov 13, 2014
4.6 / 5 (11) 0