Category: science

Breathtaking

In the past, I did a lot of research on US WWII submarines. One thing of particular interest to me was the procedures for keeping the air breathable during submersion, which was later used in the Apollo program. US subs were not equipped with snorkels in WWII, so they were entirely battery powered when under. […]

Stop saying cannibalism

Chickens are from Superorder Galloanserae, which split off from Neognathae 85 million years ago. Hawks are part of “Neoaves”, an entirely different superorder that split from Neognathae around the time of K-T extinction event. While it’s theorized that the first placental mammals divered about 100-85 MYA, there are no known placental mammal fossils from before […]