Krissy Stiger

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Last night’s moon and two star clusters

The moon is now moving through a region of sky filled with bright stars. On January 11, the moon was near two star clusters, the Hyades and the …

Astronomy

Why you can't travel at the speed of light

A short history of Einstein's theory of relativity<p>Albert Einstein is famous for many things, not least his theories of relativity. The first, the special theory of relativity, was the one that began the physicist's reputation for tearing apart the classical worldview that had come before. Special …

Comet LINEAR 2014: New Meteor Shower Predicted on May 24

Comet LINEAR is going to bring a new meteor shower in May 2014, according to meteor experts.<p>The comet will bring the shower on May 24, according to …

Astronomy

Why Do You Hate the Sound of Your Own Voice?

“We hate it because it is so foreign,” said Dr. William Cullinan, dean of the College of Health Sciences at Marquette University in Wisconsin.<p>You …

Coffee may boost brain's ability to store long-term memories, study claims

People who had caffeine after looking at images apparently better at distinguishing them from similar ones the next day<p>A cup or two of coffee could boost the brain's ability to store long-term memories, researchers in the US claim. People who had a shot of caffeine after looking at a series of …

Capella is 2 golden stars

We see Capella as the brightest star in the constellation Auriga the Charioteer. It’s actually 2 stars, each with a golden color similar to our …

Astronomy

Super-Earths: Planets Likely Have Stable Climate Similar to Earth's

Super-Earths, massive planets that have been discovered both in and outside the Milky Way, have been found to have a climate more like Earth’s than …

Earth Science

100 Years Of Smoking Studies In Popular Science

Fifty years ago, the U.S. surgeon general first declared that smoking tobacco causes lung cancer. Popular Science readers could have known that was coming.<p>Fifty years ago tomorrow, then-U.S. Surgeon General Luther Terry held a press conference announcing that, among other ills, smoking caused lung …

Starwatch: The night sky in 2014

Our Starwatch preview of the coming year begins with a chart of the looping motions of Mars and Saturn over the coming months. Both planets lie in our lower S sky before dawn at present, but rotate the chart slightly counter-clockwise (N pointing up) for a better orientation.<p>Mars's easterly motion …

Well-Preserved, 2,000-Year-Old Skeleton Found In South Florida

The skeleton represents "perhaps the best-preserved remains of an ancient human uncovered in the past 40 years."<p>In the process of installing a waterline in Davie, Fla., construction crews happened upon a 2,000-year-old, fully-intact skeleton. The bones are thought to be those of a Tequesta Indian …