OK, so you’ve spent the last week stuffing your face with the stuff, so now how about learning about it, too? In this video, the Science Show explains everything you need to know about chocolate.
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Born around 276 B.C. in Cyrene, Libya, Eratosthenes soon became one of the most famous mathematicians of his time. He is best known for making the first recorded measurement of the Earth’s circumference, which was also remarkably accurate. (And, yes, people at that point had known for some time that the world wasn’t flat, contrary to popular belief.)
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When you travel the world, having a few drinks with your hosts is a great way to get a sense of the local culture. But excessive alcohol consumption can cause physiological consequences
Perhaps the main difference if the earth were a cube would be that students would become much more frustrated trying to calculate the gravitational field. For a uniform cube with side length L and density rho, the gravitational force on mass m at position (x,y,z) is given by
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Nerves make your stomach churn; embarrassment brings a glow to your cheeks. Emotions clearly have a direct physiological effect on our bodies, and now a team of Finnish researchers has analyzed exactly how—and represented them in this visualization.
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NASA is ringing in the New Year with some beautiful photos that Cassini has taken of Saturn. The photo at the top of the story shows shadows on the surface … Continue reading
With more than 150 million people in the United States (nearly half of the population) requiring some form of corrective eyewear to compensate for visual impairment, chances are you have had your eyesight graded on the 20/20 scale before. If you haven’t, you have probably heard other people saying they have "20/20 vision" or even the phrase "hindsight is 20/20." The vision scale is so prevalent in American culture that there’s even a TV news show named after it.
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Back in 2007, scientists found evidence of our planet’s first continents in the form of 4.3 billion-year-old diamonds—old as the very Earth itself. And these diamonds were finally going to give us the insight into the evolution of Earth’s crust that we’ve been searching for. Now, six years later, there’s just one little problem: Those tiny gems? Actually tiny leftover bits of polishing grit. Whoops.
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Rob Jenkins and a team of scientists at the University of York’s Department of Psychology have demonstrated that people can recognize a suspects’ face reflected in a victims’s cornea 80 percent of the time:
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Though they may not be the first set of glow-in-the-dark critters
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