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A Gorilla Is Born at Lincoln Park Zoo

Zookeepers cautiously optimistic
Images • Views: 28,402

All Eyes Are on Newborn Gorilla at Lincoln Park Zoo.

On October 11, a healthy baby Western Lowland Gorilla was born at the Lincoln Park Zoo — an important addition to this critically endangered species.

The baby has yet to be sexed or named and appears to be doing well. Mother Bana, 17, is showing appropriate maternal instincts, while dad Kwan, a 23-year-old silverback, is watchful over the mom and baby pair.

An Incredible Film From NASA: Gradient Sun

Coronal loops and magnetic fields
Science • Views: 29,214

Watching a particularly beautiful movie of the sun helps show how the lines between science and art can sometimes blur. But there is more to the connection between the two disciplines: science and art techniques are often quite similar, indeed one may inform the other or be improved based on lessons from the other arena. One such case is a technique known as a “gradient filter” — recognizable to many people as an option available on a photo-editing program. Gradients are, in fact, a mathematical description that highlights the places of greatest physical change in space. A gradient filter, in turn, enhances places of contrast, making them all the more obviously different, a useful tool when adjusting photos. Scientists, too, use gradient filters to enhance contrast, using them to accentuate fine structures that might otherwise be lost in the background noise. On the sun, for example, scientists wish to study a phenomenon known as coronal loops, which are giant arcs of solar material constrained to travel along that particular path by the magnetic fields in the sun’s atmosphere. Observations of the loops, which can be more or less tangled and complex during different phases of the sun’s 11-year activity cycle, can help researchers understand what’s happening with the sun’s complex magnetic fields, fields that can also power great eruptions on the sun such as solar flares or coronal mass ejections.

The images here show an unfiltered image from the sun next to one that has been processed using a gradient filter. Note how the coronal loops are sharp and defined, making them all the more easy to study. On the other hand, gradients also make great art. Watch the movie to see how the sharp loops on the sun next to the more fuzzy areas in the lower solar atmosphere provide a dazzling show.

New Obama Web Ad: Mitt Romney’s Easy Five-Step Approach to Foreign Policy

Bonjour
Politics • Views: 28,651

The next presidential debate will deal with foreign policy, which is probably why the latest web ad from the Obama campaign is a satirical take on Mitt Romney’s many ludicrous foreign policy mistakes.

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Lumberhead
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Skip Intro
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1 day, 18 hours ago
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 Frank says:

Bad facts make bad laws -- Said during the PMRC hearings.