Mobile phones are transforming the African continent, improving commerce but bringing spam.

Trade between Africa and China jumped over the last decade. China is promising $1 billion in aid to the African continent, while also cancelling other debts. Clean energy is on the agenda, but also China's blind eye cast at human rights failings.

Modern tools help scholars better understand the development Aramaic

Representatives for Segway, the manufacturer of battery-powered personal transporters, say that the University of Michigan is the first campus to use the motorized two-wheeler for tours.

Researchers in Utah have shown that people can be track behind solid walls with a wireless network of radio transmitters. The technology has military, as well as commercial, applications.

In the Year for Priests the Pope wants to invite priests to "consider the new media as a powerful resource for their ministry in the service of the Word" and encourage them to address "the challenges that arise from the new digital culture."

Nanoscopic tubes just one atom deep may be able to detect the arrival or departure of a single electron - an advance for both medicine and energy applications.