Aristotle's Lantern
Aristotle's Lantern - Related Videos
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A protocol for bioinspired design is described for a sampling device based on the jaws of a sea urchin. The bioinspiration process includes observing the sea urchins, characterizing the mouthpiece, 3D printing of the teeth and their assembly, and bioexploring the tooth structure.
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Evolutionary Relationships - Concepts
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Humans have been attempting to properly classify living things since Aristotle made the first attempt during the 4th century BC. Aristotle’s system was improved upon during the Renaissance and then, subsequently, by Carolus Linnaeus in the mid 1700’s. These more formal classification and organization systems grouped species by their physical similarity to one another. For example, all vertebrates have a backbone, but invertebrates do not. Traits like the backbone are called synapomorphies,...
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Cited by 22 •
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Subjects eat food from a plate placed on a scale connected to a computer that records the weight loss of the plate during the meal. Feedback on the computer screen allows the subject to adapt her/his eating behavior to reference curves thus normalizing body weight.
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This article provides an overview of a multi-modal approach to mild traumatic brain injury diagnosis and recovery in youth. This approach combines neuropsychological testing with functional magnetic resonance imaging and the Head Impact Telemetry System to monitor the relationship between head impacts and brain activity during cognitive testing.
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An Introduction to the Chick: Gallus gallus domesticus
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2023
The chicken embryo (Gallus gallus domesticus) is an extremely valuable model organism for research in developmental biology, in part because most of their development takes place within an egg that is incubated outside of the mother. As a result, early developmental stages can be accessed, visualized and manipulated by simply creating a small hole in the eggshell. Since billions of chickens are raised worldwide for meat and egg production, scientists can easily and economically acquire large...
FAQs
Force transmission depends on coordinated action among the calcareous jaws, associated muscles, and ossicles. Muscle activity moves the jaw elements, while the ossicles help connect and support that movement. The arrangement allows force generated by soft tissues to act through lightweight mineral components, producing controlled tooth motion for scraping or biting surfaces.
The muscles provide active movement, whereas the ossicles contribute structural support and help organize how movement passes through the jaw apparatus. Their interaction illustrates a division between force generation and force transmission. For bioengineering, this relationship is useful because it shows how a compact system can coordinate compliant actuation with rigid mineral elements.
Continuous tooth growth supports repeated scraping and biting despite ongoing contact with food-bearing surfaces. This self-renewing feature links functional performance with durability: the system can maintain useful tooth projection while operating as an abrasive feeding structure. Engineers studying long-lived tools can therefore examine how renewal complements controlled motion and mineral strength.
Five coordinated jaws create a multi-element feeding apparatus rather than a single cutting component. Studying their combined action highlights how several mineral structures and muscles can work together to produce controlled contact with a surface. This makes the system relevant to designs that need distributed gripping or abrasion while remaining compact and mechanically organized.
Analysis should focus on the relationships among jaw geometry, muscle coordination, ossicle support, tooth projection, and the resulting force transmission. Researchers can also consider how continuous tooth growth contributes to functional persistence. Examining these features together, rather than in isolation, helps identify design principles that combine movement control, lightweight structure, abrasion, and durability.
The system suggests biomimetic concepts for compact gripping devices, abrasive tools, and related mechanisms that require controlled contact with a surface. Its value lies in combining lightweight mineral structures with coordinated movement, force transmission, and self-renewing function. These principles can guide designs seeking a balance of strength, precision, compactness, and durability.