If you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the ...

What do a two-handed hay knife, a pickle fork and a hand corn planter have in common? These days the items are more likely to end up hanging on a wall as part of a home’s interior design than be used ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...