Sean Faires

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Modern Genes Reveal 100 Major Population Shifts In Human History

Wherever conquerors go, they leave a little bit of their genetics. Gene analyses of modern people are able to reveal those influences.<p><i>Spread of Mongol Empire. Astrokey44 on Wikimedia Commons, CC BY-SA 3.0</i><p>Violence and love, conquest and assimilation, they're all in your DNA. Literally. As human …

The Cosmos, Explained: Neil deGrasse Tyson On His New Series

Tyson will pick up where Carl Sagan left off, hosting a continuation of the "Cosmos" TV series.<p>When astronomer Carl Sagan hosted the 13-part TV Series "Cosmos: A Personal Journey," in 1980, it soon become most widely watched PBS show in the world, and still holds a legendary place in the hearts of …

Neil deGrasse Tyson

Diamonds Are a Crystallographer's Best Friend

Popular Science Blogs<p>Boxplot<p>Exploring the world of science through graphic narrative. By Maki Naro<p>One way to study other planets is to recreate their conditions here on Earth. That's what crystallographer Helen Maynard-Casely does at the <b>WOMBAT High-Intensity Powder Diffractometer</b>, at the Bragg …

Scientists Discover Universe's Oldest Star

The star is 4 billion years older than any other found to date. NPR's Rachel Martin talks to Timothy Beers of the National Optical Astronomy Observatory in Arizona.<p>Transcript<p>(SOUNDBITE OF THEME MUSIC, "STAR TREK")<p>RACHEL MARTIN, HOST:<p>Scientists have discovered the oldest star in the galaxy. And it's …

Nanomotors controlled inside living human cells for the first time

Scientists at Penn State University have successfully controlled tiny nanomotors inside living human cells. Consisting of tiny, rocket-shaped bits of metal, the nanomotors were propelled by ultrasonic waves and steered with magnets. Researcher Tom Mallouk wasn't afraid to talk up potential future …