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☆ How did the zebra get its nicely patterned stripes? The answer may come from mathematician Alan Turing.
▼ + stars: | 2023-11-13 | by ( Ankur Gupta | The Conversation | ) www.businessinsider.com time to read: +7 min

Researchers have proposed an explanation for how the patterns form based on the "Turing patterns." A question naturally arises: How can distinct color patterns form in the presence of diffusion? Our work suggests that combining the conditions that form Turing patterns with diffusiophoresis could also form the basis of artificial skin patches. Just like adaptive skin patterns in animals, when Turing patterns change — say from hexagons to stripes — this indicates underlying differences in chemical concentrations inside or outside the body. Besides animal skin patterns, Turing patterns are also crucial to other processes such as embryonic development and tumor formation.

Persons: —, Ben Alessio, Alan Turing, Turing, diffusiophoresis, Keld, Ankur Gupta Organizations: Service, Getty Images, micron, University of Colorado Locations: Denmark, University of Colorado Boulder

☆ Intricate animal patterns: A new study could have the answer
▼ + stars: | 2023-11-08 | by ( Manav Tanneeru | Taylor Nicioli | ) edition.cnn.com time to read: +5 min

But Turing’s theory didn’t explain how the patterns would remain so defined in a species such as the ornate boxfish. The team of engineers at the University of Colorado Boulder explored how a mechanism called diffusiophoresis might create sharp patterns in a new study published Wednesday in the journal of Science Advances. … It is at least one possible way to sharpen regions of gene expression,” said Krause, who was not involved in the study. “Cells are extremely sticky and are very unlikely to be moved by diffusiophoresis,” said Green, who was not involved in the study, in an email. Green coauthored a February 2012 study that had found evidence to support Turing’s theory when it came to the ridges on a mouse’s palate.

Persons: Alan Turing, creamer, ”, Ankur Gupta, diffusiophoresis, Gupta, Andrew Krause, Krause, Jeremy Green, Green, ” Green, ” Gupta Organizations: CNN, University of Colorado, University of Colorado Boulder, Durham University, University of Warwick, King’s College London Locations: University of Colorado Boulder, “, United Kingdom, diffusiophoresis

☆ India’s Surat Diamond Bourse: World’s new largest office building is bigger than the Pentagon
▼ + stars: | 2023-07-18 | by ( Oscar Holland | ) edition.cnn.com time to read: +6 min

The newly-opened Surat Diamond Bourse is billed as a “one-stop destination” for over 65,000 diamond professionals, including cutters, polishers and traders. The trading center’s architects say it comprises over 7.1 million square feet of floor space, which would mean it has surpassed the Pentagon as the world’s largest office building. According to the project’s CEO, Mahesh Gadhavi, Surat Diamond Bourse will save thousands of people from traveling — sometimes daily — to Mumbai by train to do business. The design was also informed by Morphogenesis’ research into how the Indian diamond trade operates. Edmund SumnerPlans for transformationAerial images of Surat Diamond Bourse show that the gargantuan building’s surroundings are, for now, remarkably low-rise.

Persons: Narendra Modi, Mahesh Gadhavi, Edmund Sumner “, ”, Gadhavi, Morphogenesis, Sonali Rastogi, Edmund Sumner, Rastogi, Modi, “ Organizations: CNN, Surat Diamond Bourse, Pentagon, Indian, Democratic, Building Council Locations: Belgian, Antwerp, Russia, Africa, Mumbai, India, Surat, Gujarat, Surat Diamond, —, New Delhi, ”

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