Love is....

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Wading into a mud puddle, regardless of what you happen to be wearing, to retrieve a child. I thought I had a picture of this but I haven't been able to find it.

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What's in a flower?

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Specifically hydrangea flowers. In this post I pointed out that anthocyanin (a family of plant pigments) appears blue at high pH, red at low pH and is responsible for the wide variety of colours in hydrangea flowers. Ilona pointed out that , "in hydrangeas you lower the ph for blue flowers (more acid) and raise it for pink (more alkaline)." I did a bit of checking and found that this is the case . At lower soil pH hydrangea flowers do appear blue and at higher soil pH they appear red. But soil pH is not the only thing that affects the colour of hydrangea flowers. It appears that pH inside the plant cell has an affect as well: Sepal Color Variation of Hydrangea macrophylla and Vacuolar pH Measured with a Proton-Selective Microelectrode Anthocyanin changes its color depending on pH (Goto 1987, Brouillard 1988, Goto and Kondo 1991). In strong acidic conditions it shows red, in neutral, purple and in alkaline, blue. But generally the vacuolar pH of plant cells is weakly aci
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Treating autism as traumatic brain injury

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I've been doing research into autism, dyspraxia, how the normal brain works, and how an autistic/dyspraxic brain works (or doesn't work). Traumatic injury to different parts of the brain can cause the same problems suffered by autistic and dyspraxic children. Compare this list of the functions of different parts of the brain and the problems caused by injuries to those areas with these descriptions of dyspraxia and autism. What is Developmental Dyspraxia? Developmental dyspraxia is a disorder characterized by an impairment in the ability to plan and carry out sensory and motor tasks. Generally, individuals with the disorder appear "out of sync" with their environment. Symptoms vary and may include poor balance and coordination, clumsiness, vision problems, perception difficulties, emotional and behavioral problems, difficulty with reading, writing, and speaking, poor social skills, poor posture, and poor short-term memory. Although individuals with the disorder may b
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Battlestar Galactica needs more colour?

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