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| Spiders use electricity to migrate | |
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| Topic Started: Jul 10 2018, 10:31 AM (81 Views) | |
| Delphi51 | Jul 10 2018, 10:31 AM Post #1 |
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We’ve all seen spiders in “flight” hanging onto long threads reaching high up. Wind blow them horizontally but how do they stay high up? Turns out the thread is charged and has an upward force on the charge from the Earth’s electric field. The thread has a charge opposite to the Earth’s surface. https://motherboard.vice.com/en_us/article/ev8gn4/spiders-can-fly-with-electric-power |
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| Dialtone | Jul 10 2018, 11:11 AM Post #2 |
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Gold Star Member
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That's pretty amazing, and IMO what's even more amazing is how the spiders achieved the use of webs and electricity through evolution. How does something like this ever originate, evolve, or happen in the first place ? Actually, flight itself wouldn't be something that I would have thought would logically evolve from ground crawlers, how would wings suddenly appear, grow, and become functional ? That being said, ancient birds and flying reptiles such as pterodactyls appear suddenly (in geological time) along with all the other ancient creatures. IMO, there are big gaps and suspicious happenings in the theory of evolution, (similar to many theories these days) and much has been added without proof to make it more plausible to the naïve masses. |
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| Dana | Jul 10 2018, 01:50 PM Post #3 |
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WWS Hummingbird Guru & Wildlife photographer extrordinaire
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" IMO, there are big gaps and suspicious happenings in the theory of evolution, (similar to many theories these days) and much has been added without proof to make it more plausible to the naïve masses." What are the alternative theories? |
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| Dialtone | Jul 10 2018, 02:43 PM Post #4 |
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I personally lean towards panspermia, but our generation is unlikely to know the real truth. Here's a few theories, and nothing of a religious offering, which is just as valid as any other when nobody reslly knows. https://futurism.com/abiogenesis-7-scientific-theories-origin-life-one-new-one/ |
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| Kahu | Jul 10 2018, 03:43 PM Post #5 |
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On the face of it, panspermia does make sense. The universe is made up of much the same elements as those on Earth, so that’s a basic common factor. However there is still much to be answered ... why should something not very likely on earth be more likely elsewhere? I would think that the heavy meteoric bombardment required to launch life or dna on its interplanetary/interstellar journey points to just as narrow a time window elsewhere as on earth. So panspermia rather than solving the quick emergence problem would actually itself require a quick emergence of life. Posted Image The electron microscope revealed chain structures in meteorite fragment ALH84001 The announcement of possible extraterrestrial life caused considerable controversy. When the discovery was announced, many immediately conjectured that the fossils were the first true evidence of extraterrestrial life—making headlines around the world, and even prompting the President of the United States Bill Clinton to make a formal televised announcement to mark the event. These are some of the main features that have been interpreted as suggesting the presence of microfossils. The structures resemble some modern terrestrial bacteria and their appendages. Though some are smaller than any present day Earth microbes, others are of the order of 100 - 200 nm in size, within the size limits of nanobacteria and some are up to 1 to 2 microns in diameter.[10] The smallest ones are too small to contain all the systems of modern life.[3] Some of the structures resemble colonies and biofilms.[10] However, there are many instances of morphologies that suggested life and were later shown to be due to inorganic processes.[10] The meteorite contains magnetite crystals of the unusual rectangular prism type, and organized into domains all about the same size, indistinguishable from magnetite produced biologically on Earth and not matching any known nonbiological magnetite that forms naturally on Earth.[10] The magnetite is embedded in the carbonate. If found on Earth it would be a very strong biosignature. However, in 2001, scientists were able to explain and produce carbonate globules containing similar magnetite grains through an inorganic process simulating conditions ALH84001 experienced on Mars.[3] It contains polycyclic aromatic hydrocarbons (PAHs) concentrated in the regions containing the carbonate globules, and these have been shown to be indigenous. Other organics such as amino acids do not follow this pattern and are probably due to Antarctic contamination. However PAHs are also found in asteroids, comets and meteorites, and in deep space, all in the absence of life. https://en.wikipedia.org/wiki/Allan_Hills_84001 |
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| Delphi51 | Jul 10 2018, 05:27 PM Post #6 |
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There was a great book by Richard Dockins explaining how eyes evolved that is an eye opener on this topic. |
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| Trotsky | Yesterday, 1:19 AM Post #7 |
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Big City Boy
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So nobody is hot for the Genesis analysis of a muscular hunk having a rib removed and fashioned into a nag who was stuck with him for life? "Eat the apple." "What does HE know?" "Hey. are you a man or a mouse?" "Afraid of snakes are, you?" "Aren't you EVER going to get a job?" "ALL RIGHT, woman, I'll EAT the fucking apple." |
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| Dana | Yesterday, 4:09 AM Post #8 |
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WWS Hummingbird Guru & Wildlife photographer extrordinaire
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Noooo T ! Panspermia works for me. A larger version of African dust blowing onto the North Americas. http://earthsky.org/earth/sahara-dust-travels-africa-texas As in the comments below this Dawkins video, there is a difference between origin of life and evolution of life once it exists. https://www.youtube.com/watch?v=_TPQUgUOPhY Richard Dawkins On Panspermia And The Origin Of Life |
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| Dialtone | Yesterday, 4:39 AM Post #9 |
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Gold Star Member
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IMO, you could take a inert vat of organic chemicals or any type of "chemical , electrify them, radiate them, heat them, chill them, for a billion years, and you'd still have a vat of chemicals that are "dead". The issue for me is the question, how does life start ? especially forming something that is intelligent. What would cause a bunch of inert chemicals to form a "cell", and then cause the cell to have some rudimentary intelligence, replicate into something more, and begin to think ? IMO, there's other forces at work that we can't comprehend with our present limited knowledge. |
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| Delphi51 | Yesterday, 8:54 AM Post #10 |
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The deep learning revolution going on in the computer world now finds the more “neurons” in the collection the more learning happens. This is the way evolution works - gradual development with some benefit from each step. It also suggests that there isn’t anything magical going on in our brains, though some researchers still think there may be some quantum mechanical phenomena going on in tiny filaments on neuron cells that could not be duplicated by computers at this time. |
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| Kahu | Yesterday, 12:04 PM Post #11 |
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Very much so ... Conditions similar to those of the Miller–Urey experiments are present in other regions of the solar system, often substituting ultraviolet light for lightning as the energy source for chemical reactions.The Murchison meteorite that fell near Murchison, Victoria, Australia in 1969 was found to contain over 90 different amino acids, nineteen of which are found in Earth life. Comets and other icy outer-solar-system bodies are thought to contain large amounts of complex carbon compounds (such as tholins) formed by these processes, darkening surfaces of these bodies. The early Earth was bombarded heavily by comets, possibly providing a large supply of complex organic molecules along with the water and other volatiles they contributed. This has been used to infer an origin of life outside of Earth: the panspermia hypothesis. Miller - Urey Experiment |
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| Dialtone | Yesterday, 1:42 PM Post #12 |
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Gold Star Member
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Just one confirmed, truthful, government news release of basic life (or past life) found on Mars (or some other non-Earth body) would dramatically change the world as we know it. Perhaps that's why all the secrecy about many historical and otherworldly things that have happened and covered up, we couldn't handle the truth. |
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8:09 AM Jul 12