When you hear "biology" you probably think something like "nature" or "natural", but humankind has been interfering with biology for thousands of years, and now in the 21st century our tools are more powerful than ever.

Unless you're vegan or vegetarian, you probably eat and enjoy meat. It's one of the most important food sources for our species, and possibly why we evolved our big brains in the first place, but meat has its problems.

I'm an avid animal lover, and I've always had a cat, a dog, or both at every point in my life. It's always hard to say goodbye to a beloved member of your family, but for some people they'll go to seemingly any length to avoid that loss.