A new study in Nature Communications explores the dynamics of higher-order novelties, identifying fascinating patterns in how we combine existing elements to create novelty, potentially reshaping our understanding of human creativity and innovation.

Novelties—a common part of human life—refer to one of two things. The first is the discovery of a single item, like a place, song, or an artist. The second covers discoveries new to everyone, such as technological developments or drug discoveries.

The researchers in this study aimed to understand how both kinds of novelties emerge. The team was led by Prof. Vito Latora from the Queen Mary University of London, who spoke to Phys.org about the work.

Yale physicists have uncovered a sophisticated and previously unknown set of “modes” within the human ear, which impose crucial constraints on how the ear amplifies faint sounds, withstands loud noises, and distinguishes an astonishing range of sound frequencies.

By applying existing mathematical models to a generic mock-up of the cochlea—a spiral-shaped organ in the inner ear—the researchers revealed an additional layer of cochlear complexity. Their findings provide new insights into the remarkable capacity and precision of human hearing.

“We set out to understand how the ear can tune itself to detect faint sounds without becoming unstable and responding even in the absence of external sounds,” said Benjamin Machta, an assistant professor of physics in Yale’s Faculty of Arts and Science and co-senior author of a new study in the journal PRX Life. “But in getting to the bottom of this we stumbled onto a new set of low frequency mechanical modes that the cochlea likely supports.”

Yale physicists have discovered a sophisticated, previously unknown set of “modes” within the human ear that put important constraints on how the ear amplifies faint sounds, tolerates noisy blasts, and discerns a stunning range of sound frequencies in between.

By applying existing mathematical models to a generic mock-up of a cochlea—a spiral-shaped organ in the inner ear—the researchers have revealed a new layer of cochlear complexity. The findings, which appear in PRX Life, offer fresh insight into the remarkable capacity and accuracy of human hearing.

“We set out to understand how the ear can tune itself to detect faint sounds without becoming unstable and responding even in the absence of external sounds,” said Benjamin Machta, an assistant professor of physics in Yale’s Faculty of Arts and Science and co-senior author of the new study. “But in getting to the bottom of this we stumbled onto a new set of low frequency mechanical modes that the cochlea likely supports.”