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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 …

Americans surveyed: misunderstood, misrepresented or ignorant?

Following the results of the poll suggesting a quarter of Americans do not know the Earth circles the Sun, we look at some other examples of surprising US survey results<p>When <b>Newsweek</b>set 1,000 <b>Americans</b> the challenge of completing their country’s citizenship test, 29 percent could not name the current …

Great Britain

A Box That Took Three Million Photos Of The Sky

Time-lapse technology is more accessible than ever.<p>Ken Murphy, a computer programmer in California, built a rig to photograph the sky once every 10 seconds for a year. The resulting time-lapse video collage is a kaleidoscope of shifting weather patterns. Murphy’s project is one of more than 150 …

Inventor Rigs An Unprecedentedly Smooth Ride For Power Boats

A pioneer in subwoofer and LIDAR technology has now built an electronically and pneumatically controlled suspension for his boat.<p>Where most people would just see four Firestone truck airbags, designer and Velodyne CEO David Hall saw a way to stabilize boats in choppy waves. To build a …

Inside Russia's Ridiculous Sochi Security Scanner

"Vibraimage - system that can do anything in human detection!"<p>The Sochi Winter Olympics are a major international event, costing billions of dollars to put on and showcasing the finest athletes from 88 nations. According to the <i>New York Times</i>, visitors to Sochi are electronically screened by a …

Why Silicon Valley wants to hack the food industry

We stood in an airy San Francisco warehouse, staring at two plastic cups of gleaming mayonnaise. A golden retriever snored lightly in a patch of sunlight on the floor as Josh Tetrick, the 33-year-old founder of Hampton Creek Foods, waited for me to scoop up the fluffy, effulgent goop with a chunk …

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 …

This Computer-Generated Swarm Is Mind-Melting

Replace a flock of birds with fireflies on a dark night, and this is about what you'd get.<p>Swarms--like a flock of birds, or a school of fish--are mathematically complicated, but computer scientists are getting better at modeling, and learning from, them. Using code that simulates birds in …

You Have Already Complied: RoboCop and the All-Too-Feasible Horror of Brain Hacking

In science fiction films, science tends to play the villain. Speculative theories and far-fetched technology wear the old black hat and outsize mustache, and tie us all kicking and screaming to the train tracks. These are adventure stories, ultimately, so why not set cloned dinosaurs and predatory …