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Archive for the “Plant Cuttings” Category

Science teaching resource

Posted on March 26th, 2012 by Nigel Chaffey

Relatively new to me – so maybe new to some of my devoted legion of readers (many of whom may be involved in teaching science, plant or otherwise) and therefore worthy of sharing – is news of the Understanding Science teaching resource. Yes, it’s ‘American’. So, you might be annoyed by the idiosyncratic spellings. And [...]

Rocking the photosynthetic cradle…

Posted on March 19th, 2012 by Nigel Chaffey

I’m sure that many of us in our teaching have demonstrated the transfer of light energy between adjacent accessory pigment molecules during the light-dependent stages of photosynthesis using the so-called Newton’s cradle. Perhaps more famous as a stress-relieving ‘toy’ for over-worked ‘executives’, the apparatus visually – and usually quite dramatically and memorably – demonstrates the [...]

Answer: Not Lamarck(!)

Posted on March 12th, 2012 by Nigel Chaffey

OK, that’s the answer, what was the question? Who invented the dichotomous key for identification? Well, as anybody who has taught students about keys and their use as tools for plant ID (or even for animals if you must!) will probably agree, the consensus is that the oft-derided French former botanist Jean-Baptiste Lamarck is credited [...]

Making plants work harder [or, Vorsprung durch Botanik]

Posted on March 5th, 2012 by Nigel Chaffey

Not content with just being grateful for all of the marvellous things that plants do and provide, we humans always seem to want them to do even more. Well, in that vein there has been a veritable avalanche of stories that exploit the impressive chemical synthetic abilities of plants. Moran Farhi et al. have managed to [...]