Can we pick the best sperm?
A lot of people are interested in embryo selection. Why? When people reproduce through IVF, they will generate more than one viable embryo. Which one to choose? The general approach…
Who supports biotech eugenics?
Naturally, you've heard that eugenics is something that evil people, in fact, Nazis support. So, which country has more Nazis? PEW research was kind enough to ask a bunch of…
Book review: What We Owe the Future, 2022, by William MacAskill
While I am no longer the philosophy blogger I once was, I do occasionally read philosophy that's got something to do with science. I saw some references to this book…
Older fathers bad, paternal age effects vindicated?
Since the 1930s, people are getting older and older before having children, as the importance of careers and education to people seems to increase without stop. As older people are…
New video out: Biotech Eugenics: Creating Future People
This one has been a long time in the making. Which is to say, I was too busy doing other stuff to get this done. BUT here we are! Also,…
Recent evidence on dysgenic trends (February 2021)
A friend asked me to give him some pointers to the recent evidence on dysgenics, or the selection against valued traits. Challenge was accepted. This is not an exhaustive review.…
Genetic editing in animals for profit: how far have we come in 2020?
Animal breeding, human breeding (2015) Recent reviews in animal breeding (2019) Breeder genomics is way ahead of human genomics. Whenever something can be and is done in animals, it takes…
https://www.nature.com/articles/s41525-018-0075-2
Population genetic variation and trait variation: not strongly related
In a Gelman-like approach to turning email replies into posts. Someone sent me this email: Thanks for answering this and the other email, and the links as well. I am…
IVF tech by country: historical growth
Some time ago, I made a plot of this that Steve Hsu ended up posting. However, here's a newer one. The public datafile is here. Latest published report is here,…
Recent reviews in animal breeding (2019)
Since I was asked for recent reviews on the topic, I figure I might as well post them here too. Here's a few published since 2016. I regularly read these…