Helix formation

Specificity of DNA triple helix formation analyzed by a FRET assay

Specificity of DNA triple helix formation analyzed by a FRET assay

Double helix cloud contrail spotted near Moscow.on December 24, 2012. It is not entirely known what caused such a phenomenon. According to Wiki, contrails or vapour trails are long thin artificial clouds that sometimes form behind aircraft. Their formation is most often triggered by the water vapour in the exhaust of aircraft engines, but can also be triggered by the changes in air pressure in wingtip vortices or in the air over the entire wing surface.

Double helix cloud contrail spotted near Moscow.on December 24, 2012. It is not entirely known what caused such a phenomenon. According to Wiki, contrails or vapour trails are long thin artificial clouds that sometimes form behind aircraft. Their formation is most often triggered by the water vapour in the exhaust of aircraft engines, but can also be triggered by the changes in air pressure in wingtip vortices or in the air over the entire wing surface.

Specificity of DNA triple helix formation analyzed by a FRET assay

Specificity of DNA triple helix formation analyzed by a FRET assay

3 of 3: Art becomes functional with this stunning architectural staircase design, created by Italian company Sandrini Scale. The helix-shaped metal structure is formed by blending two spirals; one outside and one inside serving as a rigid support for the former.

3 of 3: Art becomes functional with this stunning architectural staircase design, created by Italian company Sandrini Scale. The helix-shaped metal structure is formed by blending two spirals; one outside and one inside serving as a rigid support for the former.

Vatican Museums' Spiral Staircase, Rome. Giuseppe Momo created wide ramplike steps and two separate helixes of the spiral staircase so that one leads up and the other goes down—twisting together into a double-helix formation decades before Watson and Crick discovered the structure of DNA.

Vatican Museums' Spiral Staircase, Rome. Giuseppe Momo created wide ramplike steps and two separate helixes of the spiral staircase so that one leads up and the other goes down—twisting together into a double-helix formation decades before Watson and Crick discovered the structure of DNA.

This stunning staircase is one of the most famous in the world. Located in the Vatican Museum, the stairs form a complex double helix formation.

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This stunning staircase is one of the most famous in the world. Located in the Vatican Museum, the stairs form a complex double helix formation.

Spiral Staircase Vatican Museum -  Designed by Giuseppe Momo in 1932 they are one of the most photographed staircases in the world. The stairs are actually two separate helixes, one leading up and the other leading down, that twist together in a double helix formation.

Spiral Staircase Vatican Museum - Designed by Giuseppe Momo in 1932 they are one of the most photographed staircases in the world. The stairs are actually two separate helixes, one leading up and the other leading down, that twist together in a double helix formation.

The Vatican Museum's spiral staircase is one of the most photographed in the world. Designed by Giuseppe Momo in 1932, the stairs are actually two separate helixes, one leading up and the other leading down, that twist together in a double helix formation. Little did the Vatican Museum know in 1932 that this formation would come to represent life itself, with the discovery of the double helical DNA strand.

The Vatican Museum's spiral staircase is one of the most photographed in the world. Designed by Giuseppe Momo in 1932, the stairs are actually two separate helixes, one leading up and the other leading down, that twist together in a double helix formation. Little did the Vatican Museum know in 1932 that this formation would come to represent life itself, with the discovery of the double helical DNA strand.

The Vatican stairs (photograph by Sebastian Bergmann) As you may be able to see more clearly here, the stairs are actually two separate helixes, one leading up and the other leading down, that twist together in a double helix formation. Little did the Vatican Museum know in 1932 that this formation would come to represent life itself, with the discovery of the double helical DNA strand.

Spiraling Out of Control: The Greatest Spiral Stairs in the World

The Vatican stairs (photograph by Sebastian Bergmann) As you may be able to see more clearly here, the stairs are actually two separate helixes, one leading up and the other leading down, that twist together in a double helix formation. Little did the Vatican Museum know in 1932 that this formation would come to represent life itself, with the discovery of the double helical DNA strand.

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