Monthly Archives: September 2013

WASP STING – the done thing

Wasps (including hornets, yellow jackets and other members of Vespula and Dolichovespula species that regularly visit gardens) have sabre-like stingers that smoothly puncture the skin, release and puncture again repeatedly, delivering a swift inoculation of venom with each sting and … Continue reading

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want arcadia get ‘circadian’ gardening

In 2001 a new class of cells were discovered in the retina of the human eye, classified as ‘circadian’ rather than visual receptors. That discovery renewed research into the spectrum, intensity and duration of light that influences psychological and biological … Continue reading

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