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Sick of Poverty

New studiessuggest that the stress of being poor has a staggeringly harmful influence on health

By Robert M. Sapolsky

Tackling Malaria

Interventions available today could lead to decisive gains in prevention and treatment--;if only the world would apply them

By Claire Panosian Dunavan

Inside the Mind of a Savant

Kim Peek possesses one of the most extraordinary memories ever recorded. Until we can explain his abilities, we cannot pretend to understand human cognition

By Darold A. Treffert and Daniel D. Christensen

Scientific American 50

Flu preparedness, flexible electronics and stem cells all star in our fourth annual salute to the research, business and policy leaders of technology


Smarter Use of Nuclear Waste

Fast-neutron reactors could extract much more energy from recycled nuclear fuel, minimize the risks of weapons proliferation and markedly reduce the time nuclear waste must be isolated

By William H. Hannum, Gerald E. Marsh and George S. Stanford

More Power to Solar

Photovoltaic advances make the ever lagging technology more of a competitor

By George Musser

True Green

Architects and chemists strive to place an environmental stamp on their work

By Kaspar Mossman

An ECHO of Black Holes

Sound waves in a fluid behave uncannily like light waves in space. Black holes even have acoustic counterparts. Could spacetime literally be a kind of fluid, like the ether of pre-Einsteinian physics?...

By Theodore A. Jacobson and Renaud Parentani


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