Of course it's just selection bias. People remember the big, exciting things, like going to the moon, or eradicating polio, or multiplying crop yields several t

Of course it's just selection bias. People remember the big, exciting things, like going to the moon, or eradicating polio, or multiplying crop yields several times over. They don't remember the boring, everyday stuff. It would be surprising if this didn't cause selection bias. And so, inevitably, we get articles which bemoan how we've fallen, compared to a past that never existed.