23/04/2015

Metamaterials shine bright as new terahertz source

Metamaterials allow design and use of light-matter interactions at a fundamental level. An efficient terahertz emission from two-dimensional arrays of gold split-ring resonator metamaterials was discovered as a result of ...

Human ancestors had tentacles

The famous Vitruvian Man drawn by Leonardo da Vinci pictures the canon of human proportions. However, humans didn't become bilaterally symmetric suddenly. There are two main points of view on the last common bilaterian ancestor, ...

Horticulturalists develop two new berries

Berries of all types are wonderful additions to a healthy diet, providing nutrients, fiber, and flavor. Two new berries have been developed, thanks to scientists at the Agricultural Research Service's Horticultural Crops ...

High mountains warming faster than expected

High elevation environments around the world may be warming much faster than previously thought, according to members of an international research team including Raymond Bradley, director of the Climate System Research Center ...

Ericsson profit hit by poor US performance, global sales up

Sluggish broadband demand in North America is hurting Ericsson, the world's largest networks maker, which reported Thursday a 14 percent drop in first-quarter net profit to 1.5 billion kronor ($ 173 million) despite a rise ...

page 11 from 12