Trilobites

Oldest Eyes Like Modern Eyes

Oldest eyes like modern eyes, claim scientists in reports in ScienceDaily 6 December 2017, BBC News 7 December 2017 and PNAS doi:10.1073/pnas.1716824114, published online 4 December 2017. A group of scientists from Scotland, Germany and Estonia have studied the eyes of a trilobite fossil Schmidtiellus reetae found in Estonia rocks dated as 530 million years […]

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Monkey Daylight

Mammals Emerge into Daylight

Mammals emerge into daylight after dinosaur extinction, according to ScienceDaily and New Scientist 6 November 2017 and Nature Ecology & Evolution, 2017; doi: 10.1038/s41559-017-0366-5, published online 6 November 2017. According to an evolutionary theory, known as the “nocturnal bottleneck hypothesis”, mammals evolved from a small nocturnal common ancestor who hid during the daylight hours to […]

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Shrimps’ Amazing Eyes

Shrimps’ amazing eyes revealed, as described in articles in EurekAlert, UQ News Online and ScienceNOW, 20 March 2008. A group of researchers led by Justin Marshall of the University of Queensland and the Queensland Brain Institute have been studying the eyes of mantis shrimps – large reef dwelling crustaceans, also known as stomatopods. They found […]

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Shrimp Eyes Make Better DVD Players

Shrimp eyes make better DVD players according to an article in ABC News in Science, 26 October 2009. Researchers studying the eyes of an Australian crustacean have found that its eyes process light in a more complex way than any man-made DVD or CD player. The shrimps’ eyes are able to convert linear polarised light […]

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Eyes Badly Designed?

Human eyes are badly designed with an “inverted” retina, challenge many sceptics. Now new discovery proves optical fibre design is found in human eye reports ScienceSHOTS and Proceedings of the National Academy of Sciences, vol. 104, p8287, 15 May 2007. When light enters the eye it has to penetrate several layers of cells in the […]

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Complex Navigation System

Space and defence scientists are studying a complex navigation system that tracks the horizon, detects blue, green and ultra-violet light, has a compass that works on sunlight polarisation, gauges airspeed and changes in direction, and computes how fast images of surrounding objects pass by. No, it is not a secret device stolen from some mysterious […]

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Big Eyes Caused Neanderthal’s Demise

Big eyes caused Neanderthal’s demise, according to articles in ABC News in Science, BBC News and New Scientist 13 March 2013. Eiluned Pearce and Robin Dunbar of Oxford University have compared 13 Neanderthal skulls with 32 Homo sapiens skulls and found the Neanderthals had larger eye sockets, by an average of 6mm as measured from […]

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How Hummingbirds Avoid Crashes

How hummingbirds avoid crashes according to ScienceDaily and New Scientist 18 July 2016 and PNAS doi: 10.1073/pnas.1603221113, published online 18 July 2016. Hummingbirds are incredibly agile and fast flyers. In their natural environment they are able to fly through dense forests at speeds up to 50km per hour without colliding with any obstacles, and accurately […]

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An Idiotic Eye

An Idiotic Eye: Richard Dawkins asserts the vertebrate eye is particularly badly designed. He first condemns the eye for only having clear vision in the fovea (the central region of the total visual field for each eye), and therefore we need to constantly move the eyes and use image processing software in the brain to […]

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