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The United States and Europe are both planning billion-dollar investments to understand how the brain works. But the technological challenges are vast.
In 1962, Leonard Hayflick created a cell strain from an aborted fetus. More than 50 years later, WI-38 remains a crucial, but controversial, source of cells.
The launch of several science mega-prizes is making some researchers millionaires — but others question whether such awards are the best way to promote their field.
One hundred years after Niels Bohr published his model of the atom, a special issue of Nature explores its legacy — and how much there is still to learn about atomic structure.