Adventure Ausrama Blog

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The truth is out - Aboriginals studied the stars thousands of years before ancient Europeans. Stonehenge is not the oldest stone construction that marked the summer and winter solstice. The Wadda Wurrung Aboriginals Built an egg-shaped structure of standing basalt stones that marks the solstices and the equinox (when the day has equal hours of night and day). The design of the Aboriginal "stonehenge" is completely different from the stonehenge in England. tops of stones mark the sun's movement in Australia whereas gaps in stones mark the solstices in England. This indicates that Aboriginals who were the first people to leave Africa were much more advanced and knowledgeable than other groups in the world. This knowledge was passed on to the next generation verbally. Europeans when they first arrived branded the Aboriginals as stupid people who could only count up to six - how wrong they were! Though the traditions of the Wadda Wurrung Aboriginals has been lost, songs...

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A study on lungfish, bony fish and cartilaginous fish has a great deal to offer in understanding development of legs for life on land. Lungfish are ancient ancestors of tetrapods - four legged animals. Walking on their fins and breathing air, lungfish bravely moved onto the land. Research has relied on bones preserved as fossils, but muscles cannot be "saved" in this way. A fetus shows ancient stages in a creatures development. This is why a human fetus seems to be reptile-like in its early stages. Examining muscle development of modern lungfish is very informative. Tests were also done on cartilaginous fish such as sharks and ordinary fish. Embryos of cartilaginous and bony fish were genetically altered to promote growth of precursor pelvic fins that in lungfish became legs. Engineered cells were made to emit red and green light. The study on muscles highlighted the fact that bony fish evolved legs while cartilaginous fish did not. Pelvic muscles of bony fish are a ...

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Australian green tree frogs live in the dry desert without dehydrating. This has been a mystery - until now. They move from a cool night into warm burrows. Then they "mist-up". They sit in the cold air for hours until they can hardly move. There is a good reason for this. It has been discovered that their skin "takes-on" water. Inside the burrows water is in the air due to the warmth. Droplets form on their cold skin by condensation. A group of tree frogs frequented a hollow tree in the dry outback. Researchers caught some frogs, cooled them in the cold night air, lowered them into the log in a cage for a quarter of an hour, Then tested them. The frogs gained 0.4 grams in weight, their bodies glistening with water droplets. It is now believed that lizards and spiders also use this technique to get water. Earlier work in the laboratory indicates this. Just a little water is enough to survive. http://www.adventure--australia.blogspot.com/ http://www.ty...

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