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The First Stars in the Universe

Exceptionally massive and bright, the earliest stars changed the course of cosmic history

By Richard B. Larson and Volker Bromm

Photonic Crystals: Semiconductors of Light

Nanostructured materials containing ordered arrays of holes could lead to an optoelectronics revolution, doing for light what silicon did for electrons

By Eli Yablonovitch

How We Came to Be Human

The acquisition of language and the capacity for symbolic art may lie at the very heart of the extraordinary cognitive abilities that set us apart from the rest of creation

By Ian Tattersall

Vessels of Death or Life

Angiogenesis¿the formation of new blood vessels¿might one day be manipulated to treat disorders from cancer to heart disease. First-generation drugs are now in the final phase of human testing

By Rakesh K. Jain and Peter Carmeliet


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