23/01/2014

Future solar cells may be made of wood

(Phys.org) —A new kind of paper that is made of wood fibers yet is 96% transparent could be a revolutionary material for next-generation solar cells. Coming from plants, the paper is inexpensive and more environmentally ...

Biodiversity can flourish on an urban planet

Mention the word biodiversity to a city dweller and images of remote natural beauty will probably come to mind – not an empty car park around the corner. Wildlife, we think, should be found in wild places, or confined to ...

Assessing threats to Hawai'i's spinner dolphins

(Phys.org) —Researchers have completed the most extensive study of the Hawai'i Island spinner dolphin population to date, with the data to be used to inform the local management agency.

The ultra-high volumetric energy density lithium-sulfur battery

Lithium ion battery technology (LIBs) is one of the most important mobile power sources for laptops, cameras, and smart phones. However, the current energy density of LIBs is approaching the theoretical limit, which underscoring ...

Climate change threatens Winter Olympics

Only six of the previous Winter Olympics host cities will be cold enough to reliably host the Games by the end of this century if global warming projections prove accurate.

Did the South American Hoatzins originate in Europe?

Where did hoatzins come from? These unusual birds, only one species of which exists in South America today, originated in the Old World. Studies of the oldest known fossils of Hoatzin ancestors have now shown that these birds ...

Monet's striking cliff by the sea beckons 'celestial sleuths'

Famed French Impressionist Claude Monet created a striking scene of the Normandy coast in his 1883 painting, Étretat: Sunset. Now, a team of Texas State University researchers, led by astronomer and physics professor Donald ...

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