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Vision Evolved Only Once in Animals?
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| Topic: Origin & Evolution of Life |
10/31/12 |
| Summary:
A new study provides a detailed picture of how opsins evolved. Opsins are light-sensitive molecules found in photoreceptor cells of the retina. |
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Could the Next Rover Come From Canada?
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| Topic: Robotics & A.I. |
10/30/12 |
| Summary:
The Canadian Space Agency, well known for robotics, is building five new rover prototypes for future lunar and Mars missions. |
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Studying Saturn's Super Storm
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| Topic: Saturn |
10/29/12 |
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The Cassini spacecraft and two ground-based telescopes have provided the first look at the aftermath of Saturn's ‘Great Springtime Storm' |
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Oxygen's Ups and Downs on Early Earth
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| Topic: Earth |
10/28/12 |
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Scientists are challenging the idea that the oxygenation of the oceans and atmosphere of Earth occurred only in a positive direction starting 2.4 billion years ago. Their study shows evidence of a drop in oxygen after it first began to rise. |
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Using Paintballs to Deflect an Asteroid
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| Topic: Meteorites, Comets and Asteroids |
10/27/12 |
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A new study details how 'paint balls' could be used to alter the reflectivity of an Earth-bound asteroid, ultimately helping to alter it's course and keep our planet safe from an impact. |
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Did Bacteria Spark Evolution of Animals?
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| Topic: Origin & Evolution of Life |
10/27/12 |
| Summary:
A new study indicates that bacteria may have helped kick off the leap from single celled organisms to multicellular organisms. |
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Protein Preservation in Dinosaur Bones
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| Topic: Origin & Evolution of Life |
10/26/12 |
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Researchers have discovered more evidence of preserved dinosaur proteins. Their findings support the case for preserved cells in ancient remains. |
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