HIV/AIDS - Preventing the Scourge

Milk is considered healthy but has a ruinous impact on the environment. But finding alternatives isn't easy says animal nutrition expert Gerhard Flachowsky. 

China announced on Monday it would stop Chinese airlines from complying with an EU scheme to impose charges on carbon emissions. But Beijing says it's willing to negotiate a solution. 

European countries have to make drastic cuts to their carbon dioxide emissions to reach targets they have set themselves. Brussels is explaining why reducing CO2 makes sense for the environment and for business. 

A woman in the Netherlands has been fitted with a lower jaw created by a 3D printing process. Doctors say it is the first operation of its kind and paves the way for more widespread use of printed implants.  

University of Vienna researchers say that they've shown how to conduct ultra-secure quantum computations. 

A Vienna team has shown how to send encrypted data to a quantum computer. But, a stable and powerful quantum computer remains a long way off.