Hey you wonderful person! I just started studying bio and was wondering if you had any advice on thinking like a biologist?
hey you wonderful person as well and budding biologist!
Thinking like a biologist.. hmmm! never been asked something like this before, so this is great for me to think about it too! here are 7 “rules of biology” if you may, that i personally find truth in. it’s definitely not complete, and maybe not all 100% correct, since i am just one person. but it’s what i believe:
nothing in biology is absolute. this field is about as lawless as lawlessnes gets. for example: “smoking causes lung cancer”–yes, in some cases, but not everyone who smokes gets lung cancer, and not everyone who gets lung cancer smokes. because individuality exists in biology, it makes things complicated. that’s not to say there’s no rhyme or reason; it’s just that nothing happens in a vacuum/by itself so the answer to a lot things is: “well, it depends.” that’s why you’ll see a lot of words like “may”, “can”, “sometimes”, and “suggests” in biology.
science is a tool created by humans to understand nature. thus, science can never be 100% free from human bias and error. we try to be as unbiased and close to the truth as we can by using things like experimental controls and large sample sizes, but at the end of the day, sometimes science can still be flawed. and that’s ok! but we need to be able to edit past discoveries to what we know now. (and going off of that, I really don’t like that popular quote by neil degrasse tyson: “science is true whether you believe it or not”. that’s not accurate. what’s accurate is “NATURE is true” because humans doing science can be very very flawed)
going off of that, question everything. don’t accept something is true until the evidence is sound (ie. good study design, no false interpretation of data, reputable sources, etc). even if someone well respected in the field says something, doesn’t always mean it’s true. be your own advocate in finding out the facts.
sometimes the “outlier” can teach us the most. take cancer, for example. it’s definitely a non-normal state of health and being, but from it we learned so much about normal cellular and organ function. or how we’ve been able to discover some drug metabolism gene variations in certain populations because they didn’t respond well to a treatment during a clinical trial. a lot of knowledge in biology can come from studying what goes wrong or contrary to what we expected.
your personal ethics may be challenged at times. this is particularly applicable for things like: science vs religion, research on animal models, who and what gets funding priority (eg. a cancer drug with the potential for pharma companies to make billions vs a tropical disease that primarily affects poor communities?), the high cost of pharmaceuticals/health-care in general, open-access knowledge vs getting scooped, is it right to sequence every individual’s genome, etc. you will truly need to know yourself, especially your beliefs and your limits, to navigate these situations.
everything is connected, sometimes extending beyond the realm of biology. this is related to what can happen in a given situation is always “it depends”. everything affects everything; we–every living unit from microorganisms to cities–are all connected in some way. for example, recent research has shown certain populations of bacteria in our guts can alter our mental health, and it’s easy to see how that can change our day-to-day-life, which in turn can affect society in general.
never cease to be fascinated. the biology of nature is amazing, everything from the smallest virus to the largest ecosystem. no matter how jaded you may become later in your career, never let go of that childlike curiosity that first brought you to the field.
good luck and have fun on your adventure as a biologist :) and i’m always here if you need anything!
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