Why Are Hammerheads' Heads Shaped Like That?
How does a hammer-shaped head, with eyes on each end, help the shark survive?
It’s a diagnostic feature for our species, but its origins have been a mystery.
The IRS becomes the proud owner of a huge batch of new paperclips each year. So, what do they do with the influx of office supplies?
A brief history of how we arrived at that number, and who should get credit for it.
So zed is British and zee is American, yes? Well, that might be the case today, but once upon a time things were quite different.