Chris Mahan

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The Question That Could Unite Quantum Theory With General Relativity:

Is Spacetime Countable?<p>Current thinking about quantum gravity assumes that spacetime exists in countable lumps, like grains of sand. That can’t be …

7 Secrets to Knowing Your Higher Self

by Asoka Selvarajah Each of us is connected with the Divine. The Higher Self within us far transcends the understanding of our conscious min...<p>Recent …

New Year, New Brain: 11 Exercises To Sharpen Your Mind

CrossFit might be the latest fitness craze sweeping the nation, but there's one area of your body that historically hasn't received a lot of …

In Saturn’s Rings, a Portal to the Planet’s Interior

Science & InnovationNo Place Like Home<p>In addition to being spectacularly beautiful, Saturn’s rings act as a cosmic seismograph: They keep a record of the shifts and vibrations happening deep within the giant world. These internal movements pull ever so gently on the ring particles and alter their …

5 Habits Changes You Can Actually Make In 2015

Forget the sweeping resolutions to “be healthier,” here are some habits changes you can make and really hold on to in 2015.<p>What’s better than a New Year’s resolution? How about real, lasting change in your daily habits?<p>At <i>Fast Company</i>, we want to help readers boost their productivity, hone their …

Time-lapse videos of Earth capture line between life and death

We've already taken a look at some of the best still photos captured of the Earth from space in the past year, but high-quality video footage of our world from above can be harder to come by. Enter European Space Agency astronaut Alexander Gerst, who has gifted all of humanity the beautiful …

Top 5 National Geographic Videos of 2014

In a year filled with compelling stories, some really stand out. Below is a list of our top 5 videos from 2014.<p>In a year filled with compelling stories, some really stand out. Below is a list of our top 5 videos from 2014. We hope you find them as interesting and moving as we do.<p>The topics range …

APOD: Unusual Light Pillars over Latvia (2014 Dec 28) Image Credit & Copyright: Aigar Truhin http://apod.nasa.gov/apod/ap141228.html Explanation: What's happening over that town? Close inspection shows these strange columns of light occur over bright lights, and so likely are light pillars that involve falling ice crystals reflecting back these lights. The above image and several similar images were taken with a standard digital camera in Sigulda, Latvia in late 2009. The reason why these pillars fan out at the top, however, remains a topic for speculation. The air was noted to be quite cold and indeed filled with small ice crystals, just the type known to create several awe-inspiring but well known sky phenomena such as light pillars, sun pillars, sun dogs, and moon halos. The cold and snowy winter occurring this year in parts of Earth's northern hemisphere is giving sky enthusiasts new and typically unexpected opportunities to see several of these unusual optical atmospheric phenomena for themselves. Starship Asterisk* • APOD Discussion Page http://asterisk.apod.com/discuss_apod.php?date=141228 #APOD

Top 10 Weirdest Animal Stories of 2014: Editors' Picks

From a snake virgin birth to a real-life unicorn, 2014 was a banner year for the bizarre. See our editors' picks for weirdest animal stories.

Week's Best Space Pictures: Saturn's Rings Go Dark, X-Rays Burst, and a Skyline Burns

Cassini views Saturn's rings in a different light, x-rays flare from the sun, and a city's skyline stands out against a fiery sunset.