Lions, tigers, and bears, oh my!—these animals do not feature on this list of popular American household pets. Read more
Here, we break down how people around the world get their protein intake. Read more
Human life expectancy is more than twice as long as it was in the 19th century. How do our lifespans rank compared to 49 other animals? Read more
One ocean accounts for 60% of the world’s fish catch. Its size isn’t the only reason why fishing thrives there. Read more