Friday, 15 February 2013
http://www.guardian.co.uk/science/2013/feb/14/anxiety-drug-rivers-changes-fish-behaviour?INTCMP=SRCH). Researchers claimed to have found that elevated river levels (presumably by being secreted in human urine) of oxazepam (an anxiolytic drug generally prescribed to counter human anxiety) can be linked to increased 'boldness' in some fish species (notably Perch). The most obvious conclusion is that the drug changes the behaviour of the fish, making them (like humans) less anxious. The possibilities appear to remain, however, that bolder fish are simply able to tolerate higher levels of water pollution or that the fish require more food to tolerate the more demanding conditions and so have to be bolder. It would be interesting to determine whether other fish, like territorial male Sticklebacks, showed changed behaviour in response to adding oxazepam to their water.
Visited , in Loughor, by a slightly battered Swallowtailed moth ( Ourapteryx sambucaria ).
A combination of night rain and day-time sun has resulted in more Bynea blooms. The Southern marsh orchid ( Dactylorhiza praetermissa...
A report has detailed how climate change is altering life in the warming seas around UK shores ( https://www.theguardian.com/environment...
There is intense interest surrounding a first study outside China, demonstrating that the widely-available CRISPR-Cas9 gene-editing tool...