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Tectonics Slowdown
Some researchers think plate tectonics may have come to a stop at different times in the past.
Health Quartet
Researchers identify four health habits that correlate with a longer lifespan.
World’s Darkest Material
Scientists have invented a material three times darker than the previous world record.
Podcast
Geology Special: glowing diamonds, intermittent plate tectonics and preventing a helium shortage.
Diamond Fingerprinting
Scientists are using phosphorescence to authenticate blue diamonds.
Conserving Helium
Global helium resources are dwindling, and there'll be no substitute if we run out.
Podcast
Space Research Update: the 11-year solar storm cycle returns, the MESSENGER spacecraft reports back …
Parasitic Butterflies
Butterflies use chemical signals to fool ants into raising their young.