More Bubbles

soap bubbles

Purple soap bubbles by keagiles.

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A Fatal Attack of the Bubbles

waterdrops518So begins a 5 May 2016 Science News article by Susan Milius highlighting a Proceedings of the National Academy of Sciences (PNAS) article by Timothy J. Brodribb and colleagues titled, “Revealing catastrophic failure of leaf networks under stress.” The PNAS article’s summary begins, “The intricate patterns of veins that adorn the leaves of land plants are among the most important networks in biology. Water flows in these leaf irrigation networks under tension and is vulnerable to embolism-forming cavitations, which cut off water supply, ultimately causing leaf death.” The study notes, “Drying soil leads to an increase in water tension, exposing plants to the problem of breakage of the water column, causing embolisms that cut off water supply, leading to tissue death during drought.”

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Neato Book Review Collection – Austism in Fiction

SNeilson Blog Screen Shot

Screen shot from Stuart Neilson’s review gallery of books with characters on the autism spectrum. Click on the image above to learn more, or go to http://gallery.stuartneilson.com/index.php?album=ASD-fiction.

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May You All Have a Peaceful and Prosperous New Year

watercolor by keagiles

Watercolor (c) keagiles 12-2015.

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The World (as seen from Pikes Peak, Colorado, USA)

Continental Divide

A view of the U.S. Continental Divide from the top of Pikes Peak in Colorado in the early spring of 2015. Photo by keagiles: CC BY NC ND. Click on the image for a vaster view.

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Speaking of Bees: National Geographic: Intimate Portraits of Bees

photo by Sam Droege, USGS

Screen shot from National Geographic article “Intimate Portraits of Bees.” Photo by Sam Droege, USGS. Pretty darn neato!

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Bee on Cosmos – KeaPOD 158

This beautiful little bumble bee caught my attention as it gathered pollen on this cosmos flower. Photo copyright keagiles.

This beautiful little bumble bee caught my attention as it gathered pollen on this cosmos flower.
Click on the photo for a larger image. Photo copyright keagiles.

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