News tagged with gold

Attack Ebola on a nanoscale

(Phys.org) —The Ebola virus outbreak in West Africa has claimed more than 900 lives since February and has infected thousands more. Countries such as Nigeria and Liberia have declared health emergencies, ...

Aug 15, 2014
4.6 / 5 (16) 3

Traces of DNA exposed by twisted light

Structures that put a spin on light reveal tiny amounts of DNA with 50 times better sensitivity than the best current methods, a collaboration between the University of Michigan and Jiangnan University in China has shown.

Oct 28, 2013
5 / 5 (1) 0 | with audio podcast

The bug that lays the golden egg

Among the more peculiar organisms that inhabit our Earth exists a bacterium that turns water-soluble gold into microscopic nuggets of solid gold, scientists said Sunday.

Feb 03, 2013
4.5 / 5 (21) 2

Gold mining ravages Peru

For the first time, researchers have been able to map the true extent of gold mining in the biologically diverse region of Madre De Dios in the Peruvian Amazon. The team combined field surveys with airborne ...

Oct 28, 2013
3.3 / 5 (11) 0 | with audio podcast

Hot nanoparticles for cancer treatments

Nanoparticles have a great deal of potential in medicine: for diagnostics, as a vehicle for active substances or a tool to kill off tumours using heat. ETH Zurich researchers have now developed particles ...

Mar 24, 2014
4.4 / 5 (5) 0