Drop in Ebola cases may thwart drug and vaccine trials The steep fall in new Ebola cases is good news – but it makes it difficult to run trials of the new drugs and vaccines that might prevent the next outbreak Analysis
TechnologySecurity savvy services beat online cyber spies Popular chat service WhatsApp has built end-to-end encryption into the latest Android version of its app. It's part of a growing trend to toughen up web security Analysis