There’s a word for taking animal’s body parts and implanting them into humans for medicinal purposes, like taking a pig’s or a cow’s heart valves and doing heart surgery with them. It’s xenotransplantation. I had never heard of that word before. I learned it in tonight’s church small group lesson. We’re going through a worldview curriculum called “Understanding the Times” (already somewhat familiar to me) and started the bioethics videos tonight. Xenotransplantation is just one of the several bioethical issues that will be coming up here soon. Another is a combination of nanotechnology and artificial intelligence. As the video speaker pointed out: What’s scarier than invisible robots that can think like you? Not much. This new series of random observations is inspired jointly by my sister and my dad. Abby suggested that I blog about stuff I learned each day, and Dad used to ask me and my siblings every night at dinner—“what did you learn today?” We often responded with “nothing,”