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

toggle caption Scott Camazine/Science Source
Thoughts Can Fuel Some Deadly Brain Cancers
  • Download
  • <iframe src="https://www.npr.org/player/embed/401723235/401781553" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

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

toggle caption Hulton Archive/Getty Images