Glowing Spider Fossils Prompt Breakthrough Research on Treasure Trove of Amazingly Well-Preserved Specimens

[ad_1] Fossilized spider from the Aix-en-Provence Formation in France seen in hand sample overlain with fluorescent microscopy image of the same fossil. Under normal lighting the spider fossil is hard to differentiate from the surrounding rock matrix, but when the fossil is excited by UV-illumination its chemical composition causes it to autofluorescence brightly, revealing additional […]

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Peering Into the Inner Workings of Evolution With Jellyfish Eyes

[ad_1] This tiny jellyfish called Polyorchis pencillatus is referred to as red-eyed jellyfish. Its multiple eyes, called ocelli, can be seen at the base of the tentacles and contain light-sensing cells and red pigment. Credit: Anna Klompen Some jellyfish have simple eyes; some have complex ones. Other jellyfish have no eyes at all. Indeed, recent […]

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