Off-Grid Electricity Projects Are Starved for Funds

Despite innovative off-grid technology and high-profile initiatives, electrification in sub-Saharan Africa still trails population growth. In 2009 there were 585 million people in the region without power. Five years later, that figure had risen to 632 million, according to the latest International Energy Agency statistics.

The scientist who spots fake videos

Eli Burakian/Dartmouth College Hany Farid, a computer scientist at Dartmouth College in Hanover, New Hampshire, specializes in detecting manipulated images and videos. Farid, who provides his services to clients as varied as universities, media organizations, and law courts, says that image manipulation is becoming both more frequent and more sophisticated.

Ethics of Internet research trigger scrutiny

Have data, will process - Just because data is publicly available online, does it mean researchers should use it? Ethicists are trying to pick through that problem. (Nature) Matt Cardy/Getty British graffiti artist Banksy is renowned for his anonymity. But that status was dented last year when researchers published a paper that cross-referenced the locations of Banksy's street art with public information about people's addresses and likely movements ( M. V. Hauge et al. J. Spatial Sci.