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Author: Henry

Female banded demoiselle

Female banded demoiselle

As the summer comes to an end, I found a hopeful female banded demoiselle in the same spot that I photographed a male last week.

Henry 8 September 20208 September 2020 Photography, Zoology Read more

Male banded demoiselle

demoiselle, damselfly, darent

In spite of the strong winds in the wake of storm Ellen, there were still a few damselflies out on the Darent River in Kent this morning. This particular individual – a male banded demoiselle – was definitely eyeing up the macro lens.

Henry 22 August 20208 September 2020 Photography, Zoology Read more

William “Bill” Dement, 1928-2020

William “Bill” Dement, 1928-2020

Sleep scientist William “Bill” Dement, often referred to as “the father of sleep medicine”, has died at the age of 91. During his lifetime, Dement made many contributions that have transformed research into narcolepsy, he helped create the field of

Henry 5 August 202026 August 2020 History of science, Insomnia, Narcolepsy, Sleep, Sleep apnea, Sleep disorders Read more
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Categories

  • Conservation (45)
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    • Insomnia (5)
    • Kleine-Levin Syndrome (2)
    • Narcolepsy (6)
    • Non-24 sleep wake disorder (3)
    • Restless legs syndrome (3)
    • Sleep apnea (4)
    • Sleep paralysis (4)
  • Uncategorised (18)
  • Zoology (33)

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