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How A Claim That A Childhood Vaccine Prevents Leukemia Went Too Far

Controversy over childhood vaccines may make it too easy to embrace what appear to be new vaccine benefits. Dmitry Naumov/iStockphoto hide caption

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Dmitry Naumov/iStockphoto

How A Claim That A Childhood Vaccine Prevents Leukemia Went Too Far

May 27, 2015 • It seemed to make sense that the childhood Hib vaccine could cut leukemia risk by keeping the immune system in check. But proving there's cause and effect at work turns out to be a challenge.

Thoughts Can Fuel Some Deadly Brain Cancers

A color-enhanced cerebral MRI showing a glioma tumor. Scott Camazine/Science Source hide caption

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Scott Camazine/Science Source

Thoughts Can Fuel Some Deadly Brain Cancers

April 23, 2015 • A doctor-scientist's long quest to help children with a rare form of brain cancer has led to the discovery that high levels of brain activity can make glioma tumors grow faster.

Thoughts Can Fuel Some Deadly Brain Cancers

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The Other 10 Most Important Questions In Science

Oceans, and the innards of Earth itself, are the final frontiers of our planet. Expect amazing discoveries as explorers document more and more of this unseen realm. Hulton Archive/Getty Images hide caption

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Hulton Archive/Getty Images