QR or Quick Response codes allow 2D barcode readers and mobile phone cameras to easily read information like website addresses. They are easy to generate with free websites and mobile phone applcations . Here is the QR Code for this website.
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Brazilian carpenter ants become zombies when infected with a parasitic fungus that causes the ant to cling to an exposed surface. The ants dies and the fungus grows through their head to fall on other ants on the ground, to repeat the cycle.
Brazillian zombie ants
I have used spreadsheets since Software Arts’ Visicalc was available on an Apple II, but I really like digging under the bonnet to increase the power of Excel. Its even possible to use some 1500 extra functions hidden in the Windows operating system. I spent endless hours with my PhD creating […]
Fun with Excel
Low level lead exposure to children is an ongoing issue in the lead mining city of Mt Isa, Queensland, though it appear that airborne lead levels have been controlled for some years. It is interesting to see the US National Toxicology Program (NTP); Center for the Evaluation of Risks to […]
Low level lead
Potassium permanganate (KMnO4) used to be bought at a chemist’s shop as purple crystals. Way back, when Adam was a boy, it was included in snake bite kits
Potassium Permanganate
It seems that products from Asia containing asbestos are creeping into our supermarkets. These posts are from the UKOH listserver.
Asbestos Alert
The American Conference of Governmental Industrial Hygienists (ACGIH) publishes advice for professional Hygienists to assist them in applying their art to the workplace, particularly with the publication of Threshold Limit Values (TLVs(r)) and the supporting documentation. However, in the absence of better advice, this information is very influential internationally in […]