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Universe has 2 trillion galaxies, astronomers say

There are a dizzying 2 trillion galaxies in the universe, up to 20 times more than previously thought, astronomers reported on Thursday. The surprising finding, based on 3D modeling of images collected over 20 years by the Hubble Space Telescope, was published in the Astronomical Journal. Scientists have puzzled over how many galaxies the cosmos harbors at least since US …

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Michelle Lani Shiota – How Awe Sharpens Our Brains

More than 4.5 million people visited the Grand Canyon National Park in 2013; more than 3.5 million visited Yosemite. That same year, worldwide revenues for Cirque du Soleil, the Quebecois theatrical venture emphasizing extreme feats of acrobatics and agility, were close to $850 million. Fireworks displays, first developed in seventh-century China, are now featured in celebrations throughout the world at tremendous public expense. The …