ScienceSpectrum: the future taking offTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience11/24/2014November 24, 2014We ask: what are the ethics of giving a placebo to participants of a HIV prevention drug trial. We're back on the net neutrality tip. And we have flying cars... but will they ever take off in Europe?https://p.dw.com/p/1DsNPAdvertisement Produced and presented by Zulfikar Abbany