The comic strip featuring Calvin and Hobbes has many recurring themes. For example, the opinion poll results showing that Calvin's Dad risks failing to be "re-elected" as Calvin's Dad in upcoming elections (elections which never seem to materialise). Calvin: (e.g.) "You rate especially low among tigers and six-year-old white males." Calvin's Dad: (e.g.) "I take comfort in the fact that not many people would want the job (i.e. the job of being "Calvin's Dad")." Another recurring theme is Calvin's fear of maths problems. It does not help that Hobbes (his pet, stuffed tiger) helps him in class and with homework. For example, Calvin: "What's 7 + 3?" Hobbes: "73." In one class quiz, Calvin considers the following problem: "Jack and Joe leave their homes at the same time and drive toward each other. Jack drives at 60 mph, while Joe drives at 30 mph. They pass each other in 10 minutes. How far apart were Jack and Joe when they started?" Calvin stares helplessly at the Continue Reading
How an “off” petrol lawnmower can still be a powered-blade injury risk
Imagine you've been cutting grass with a self-propelled rotary petrol mower - like the ones shown in various images in this article. (You don't 'push' such lawnmowers. They are propelled along by their engines). You stop the engine to adjust the height of the blade. While you're doing that, completely without warning and unexpectedly, the motor restarts of its own accord. The blade spins into action and you suffer serious injury to your hand as a result. Statistics from the USA show that there was an average of about 85,000 lawnmower-related injuries annually in the period 2005 to 2015. The most commonly injured body parts were the hand/finger (22%) followed by the lower extremities (i.e. toes) (16%). Men were more than 3 times as likely to be injured as women. The annual number of lawnmower-related injuries showed no decrease during the period 2005 to 2015. The purpose of this article is to highlight a particular risk associated with petrol-driven Continue Reading
Pedestrians and cyclists to have more priority over drivers in Highway Code changes
Walking and cycling have become more popular during the pandemic. So-called “active travel” has benefits for personal health as well as the environment. Department for Transport figures show that, over the last year, there’s been a 46% increase in the number of miles cycled on British roads. Tellingly, that’s a larger increase than in all of the previous 20 years combined. To take even one corner of Moray as an example... While the Lossiemouth - Elgin cycle path beside the A941 has been an active travel benefit for many years, the long-mooted track to connect Lossiemouth to Hopeman has only recently gained significant traction, despite years of campaigning. Now that the charitable organisation (SCIO) Laich of Moray Active Travel Routes is in existence, and with help from Sustrans, a connection between Lossiemouth and Covesea is coming. Hopefully, the final link from Covesea to Hopeman - to cover places such as the Green Road, Gordonstoun and Duffus - will not be far Continue Reading
Why it’s worth knowing about Cauda Equina Syndrome
Cauda equina syndrome (“CES”) is a medical emergency. Any delay in diagnosis and treatment of CES can result in life-changing physical disability and psychological injury. What is cauda equina syndrome (CES) exactly? CES is an uncommon but serious neurological condition. It is caused by compression (i.e. squeezing) of a bundle of nerve roots at the base of the spinal column. Cauda is Latin for tail and equina is Latin for horse (ie, the "horse's tail"). The seat of the problem is around where your tail would connect to your body, if you had a tail. The ‘cauda equina’ nerves provide feeling to, and enable control of, the bowel, bladder, anal and genital areas. Also, the legs and feet. So it all sounds quite crucial, doesn't it? Compression of these nerves - say, as a result of a slipped disc or lower back injury - puts the injured person at risk of permanent disability. Someone with suspected cauda equina must be referred for urgent assessment. Typically, this Continue Reading