BlogArena

General blog about anything and everything of everyday's life.

February 13, 2017
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Low level of oxygen in Earth’s middle ages delayed evolution for two billion years

A low level of atmospheric oxygen in Earth’s middle ages held back evolution for two billion years, raising fresh questions about the origins of life on this planet. New research by the University of Exeter explains how oxygen was trapped … Continue reading

March 24, 2014
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New study reveals insights on plate tectonics, the forces behind earthquakes, volcanoes

The Earth’s outer layer is made up of a series of moving, interacting plates whose motion at the surface generates earthquakes, creates volcanoes and builds mountains. Geoscientists have long sought to understand the plates’ fundamental properties and the mechanisms that … Continue reading

December 12, 2012
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Cassini Spots Mini Nile River on Saturn Moon

PASADENA, Calif. – Scientists with NASA’s Cassini mission have spotted what appears to be a miniature, extraterrestrial likeness of Earth’s Nile River: a river valley on Saturn’s moon Titan that stretches more than 200 miles (400 kilometers) from its “headwaters” … Continue reading

December 7, 2012
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Search for Life Suggests Solar Systems More Habitable than Ours

SAN FRANCISCO — Scattered around the Milky Way are stars that resemble our own sun—but a new study is finding that any planets orbiting those stars may very well be hotter and more dynamic than Earth. That’s because the interiors … Continue reading

October 11, 2012
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Nearby Super-Earth Likely a Diamond Planet

New research led by Yale University scientists suggests that a rocky planet twice Earth’s size orbiting a nearby star is a diamond planet. “This is our first glimpse of a rocky world with a fundamentally different chemistry from Earth,” said … Continue reading

October 5, 2012
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Technology in the Classroom

A professor uses clickers and UD Capture to make a large class feel smaller Susan McGeary, associate professor in the Department of Geological Sciences at the University of Delaware, incorporated clickers and UD Capture for the first time in spring … Continue reading

August 10, 2012
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UCLA Scientist Discovers Plate Tectonics on Mars

For years, many scientists had thought that plate tectonics existed nowhere in our solar system but on Earth. Now, a UCLA scientist has discovered that the geological phenomenon, which involves the movement of huge crustal plates beneath a planet’s surface, … Continue reading

July 22, 2012
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Ancient Alteration of Seawater Chemistry Linked With Past Climate Change

Dissolution or creation of huge gypsum deposits changed sulfate content of the oceans Scientists have discovered a potential cause of Earth’s “icehouse climate” cooling trend of the past 45 million years. It has everything to do with the chemistry of … Continue reading