African countries can't industrialise? Yes, they can

Narratives are essential. Humans are, after all, "helpless story junkies". Business and economic success depend much more than is commonly acknowledged on getting the narrative right. And if there is a narrative where getting ...

Rethinking the role of technology in the classroom

Preparing elementary school students for active citizenship in an increasingly digital world requires introducing them to the latest technologies, but engaging those same kids in the classroom and involving their parents ...

Cryptography without using secret keys

Most security applications, for instance, access to buildings or digital signatures, use cryptographic keys that must at all costs be kept secret. That also is the weak link: Who will guarantee that the key doesn't get stolen ...

Black holes stunt growth of dwarf galaxies

Astronomers at the University of California, Riverside, have discovered that powerful winds driven by supermassive black holes in the centers of dwarf galaxies have a significant impact on the evolution of these galaxies ...

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