Brittle stars
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Brittle stars
Brittle stars. Colour of the brittle star Ophiocoma wendtii during the day (top) and at night. This marine echinoderm changes colour in response to light. It is covered in microscopic light-sensitive calcium carbonite crystals that act as microlenses, forming a compound eye on its surface. A network of nerve fibres beneath the lenses detects light signals, allowing the brittle star to detect and escape from predators. The design of the lenses may be used to improve components of optical networks and computer chips. The lenses were discovered by Joanna Aizenberg and her team at Lucent Technologies Bell Labs, USA
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6465863
© LUCENT TECHNOLOGIES BELL LABS/SCIENCE PHOTO LIBRARY
America Brittle Star Change Colour Colouration Compare Comparison Compound Eye Dark Echinoderm Echinodermata Echinoderms Light Light Sensitive Night Sensitivity Stars Us A
EDITORS COMMENTS
This print showcases the incredible color-changing abilities of brittle stars, specifically the Ophiocoma wendtii species. In this image, we witness a striking comparison between their appearance during the day and at night. Brittle stars are marine echinoderms that possess a unique adaptation to light stimuli. Their bodies are adorned with microscopic calcium carbonite crystals that function as microlenses, effectively forming compound eyes on their surface. These lenses enable them to detect light signals through a network of nerve fibers beneath them. The ability to change color in response to light serves as an essential survival mechanism for these fascinating creatures. By detecting variations in lighting conditions, brittle stars can swiftly respond and escape from potential predators lurking in their environment. Beyond its significance in marine ecology, this discovery holds promise for technological advancements as well. The design principles behind these natural microlenses could potentially enhance components of optical networks and computer chips. Credit for unraveling the secrets of brittle star's lenses goes to Joanna Aizenberg and her team at Lucent Technologies Bell Labs in the United States. Through meticulous research and observation, they shed light on this remarkable aspect of nature's ingenuity. In summary, this mesmerizing print not only captures the beauty of brittle stars but also highlights their extraordinary ability to adapt and survive by changing colors based on environmental cues—a testament to nature's endless wonders.
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