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The City at the Center of the Cosmos
Robots and lasers are uncovering an ancient, sacred geography.
Evolution Saves Species From “Kill the Winner” Disasters
Modelers find evidence that a combination of competition, predation, and evolution will push ecosystems toward species diversity anywhere in the universe.
With Strategic Zaps to the Brain, Scientists Boost Memory
Stimulating part of the cortex as needed during learning tasks improves later recall. The finding reveals more about the brain’s memory network and points toward possible therapies.
The Last Love of Jonas Salk
The unusual union of a renowned artist and the discoverer of the Polio vaccine.
Life on Mars, from Viking to Curiosity
A brief history of the scientific debate swirling around the Red Planet.