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Biology

This category contains 179 posts

The making of a tabby cat

I’ve found it quite fascinating to look into cat genetics over the past week. I should have my entire planned activity for my bio students to share by next week, but in the meantime I thought I’d write about the agouti and tabby genes. The presence of a dominant agouti gene affects pigment distribution along … Continue reading

Cat Genetics

I’m teaching a bio course this term and I’ve been looking for ways to engage students in lab type activities given that we can’t go into a lab. When someone sent me an article about why most of the human genetic traits we like to use in genetics lessons are inaccurate I was, shall we … Continue reading

Why is there green foam on the lake?

I’ve been canoeing a lot this summer, so I’ve also seen a lot of notices about blue-green algal blooms, but this past weekend took it to a whole other level with piles of green foam on the beach and beautifully, but disturbingly coloured banks. While these blooms are relatively common regardless of conditions, warming climates … Continue reading

Will e-bikes help you get fitter?

A couple times on my bike rides over the last month other riders beat me quite soundly going up hills. This is not impossible, I’m not the fastest rider out there. But I’m also not the slowest and various clues lead me to think that there might have been something else at play. I believe … Continue reading

Learning about lymphoma in kids

This is the final week of my fundraiser for kids’ cancers through the Great Cycle Challenge Canada. Lymphoma is the third most common cancer among children although it is rare in very young children and becomes more common as children age (Lymphoma Action, n.d.). Lymphoma is a type of cancer white cells known as lymphocytes. … Continue reading

What is neuroblastoma?

As I continue to ride in support of the Sick Kids Foundation through the Great Cycle Challenge Canada, I’m also continuing to learn more about childhood cancer. Through the challenge I’ve heard about incredible kids and their families and the fights that have been won, lost, and are still in progress. They inspire me to … Continue reading

Learning more about kids cancers

I’ve been on my bike ticking off kilometers for the Great Cycling Challenge alot this month. This challenge in Canada raises money for the Sick Kids Foundation to fight kids cancer. I realized on one of these rides that I don’t actually know much about kids cancers. So I thought I would do some research … Continue reading

What’s cool about the nest in my yard

Several years ago, while I was living in my previous home, I had a wasp crawl up my pants on Halloween (October 31, which by the way is pretty cold where I live), while I was standing at the sink washing dishes. This didn’t end well for me (they figured I had been stung around … Continue reading

Suppressing my appetite

So yesterday I completed a sprint duathlon. Just for fun and on my own because we are still in the midst of social distancing due to the Covid-19 pandemic. In the morning I got up and had some Greek yogurt and fruit and then I went and did a 5 km run, 20 km bike, … Continue reading

Why is the water so brown?

When you’re used to clear water coming out of the tap it’s easy to make assumptions about how clean a water body is based on how clear it is. This means that most people assume that the North Saskatchewan River through Edmonton, Alberta, Canada is pretty dirty, particularly in the spring. The visible brown colour … Continue reading

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