
Last year, I was listening to a YouTube Hangout wherein one of the participants was lamenting the fact that science has taken away many of the mysteries in the universe. I could not disagree with that person more. We are lucky enough to be living in the Age of Mystery, from a scientific perspective.
The scientific method has given us answers to several questions that our ancestors pondered, however, it has also opened up whole new worlds to discover. For one example of what I am talking about, we once wondered what caused sickness. Our ancestors came up with several guesses that, for the most part, turned out to be wrong. However, the discovery of microorganisms not only led us to the correct answer about where sickness comes from, but also a whole new world of microorganisms that our ancestors could not dream existed. Since that discovery, we have never stopped exploring it and make new discoveries in that field almost daily.
Our knowledge gained through scientific investigation, has led to more and better questions about the universe than anything before. Our knowledge has exposed us to our vast ignorance of the universe. We now know the earth is 4.5 billion years old and the universe is ~14 billion years old. The numbers alone are almost inconceivable to our minds. Can you imagine all the mysteries things that we may never know about that happened in those lengths of time? The fossil record only gives us a fraction of what lived on earth, plus it becomes less and less reliable the farther back one goes. We may never have a complete picture of the life history of our own planet.
The matter that we see and interact with on a daily bases makes up ~5% of the stuff in our universe. ~95% of our universe is made out of two things (dark matter and dark energy) that we can detect, but cannot see. This amazing aspect of our universe is something that our ancestors could not have imagined to be real, and we were not aware of it until the middle and latter half of the 20th century.
14 billion years of history and 95% of the universe being barely detectable. If anything, that means science has led us to the real age of mystery. We have mapped out most of our world, we have seen many of the celestial bodies in our solar system. However, to think that because of science, there is less mystery in the world is daft. If anything, we are at the most mysterious time in our history. We are able to know just how ignorant we are of the universe, and that is an amazing thing. For every mystery science solves, it appears to open up two new ones, and I would not want it any other way.
Last month’s challenge went unguessed, meaning the final bragging rights for Know Your Bones belongs to me.
So, what is the name of the critter in last month’s challenge? It is Coelophysis bauri.
(Taken at the New Mexico Museum of Natural History and Science)
Coelophysis bauri lived during the late Triassic 208 to 228 million years ago. Most specimens are found in New Mexico, however, several specimens of related species (specimens that would be classified as Coelophysis) have been found worldwide, dating to as late as the early Jurassic. Coelophysis is one of the earliest dinosaurs known to science and the earliest known from complete specimens. Coelophysis was ~3 meters in length and would have stood ~1 meter at the hip. Coelophysis is a theropod with sharp curved teeth. It possessed four fingers on its forelimbs, which is the basal trait for theropods. It is believed that Coelophysis was a fast and agile predator.
(Taken at the New Mexico Museum of Natural History and Science)
Coelophysis is one of the earliest dinosaurs discovered, being named by Edward Drinker Cope in 1889. Coelophysis means “hollow form,” because Cope noticed that it possessed hollow bones, something shared with all later theropods. Coelophysis also possessed a furcula (i.e. a wishbone) and a sclerodic ring seen in the orbit of the skull. The sclerodic ring allowed for muscle attachments which would have given Coelophysis amazing vision, much like modern birds of prey. As pointed out above, Coelophysis is one of the earliest dinosaurs and it already had all these traits that are found in modern birds. It would not be surprising to find out that Coelophysis also possessed feathers.
(Taken at the New Mexico Museum of Natural History and Science)
Thank you for everyone that ever participated in this. I did enjoy it, but I feel my time is better spent blogging about a different subject.
Theistic Apologists deploy several arguments to try to establish that a god(s) is necessary. In my humble opinion, the worst of all these arguments is the Fine-Tuning Argument. The Fine-Tuning Argument is essentially saying that the parameters of the universe as we know it are placed in such a way to allow life as we know it to exist. However, there are three fundamental flaws that make this easily the worst argument a theist could use to justify their deity(s).
First, when employing this argument, the theist is making the underlying assumption that the fine-tuning we see in the universe is the only possible way the universe could exist that would permit life. No justification for this is ever given, beyond the fact that if the fine-tuning were different, then things would be different; an example of a counterfactual conditional. Simply because things would be different does not mean that life or a universe could not exist. They may not be as we see them today, but that alone does not mean that the possibility for life and a universe are dependent on the fine-tuning of the universe as we know it. This is an unjustified claim built into the argument that should be challenged. Beyond that, the theist also has not shown that the fine-tuning of our universe could be anything different. It could just as easily be that all possible universes have the same fine-tuning.
Second, this argument does not take into account evolution. Built into this argument is the assumption that we (either humans or all life on this planet) perfectly fit. The Earth is just the right distance from the Sun, the Moon is just large enough to keep our axis stable, Jupiter is just large enough and far enough away to keep us safe from space junk, etc… However, what the theist usually fails to account for in this picture is the 14 billion years of history the universe has gone through, 4.543 billion years of our planet’s own history, and ~4 billion years of life history on this planet. Most of the life history we see is shaped by selection and a lot of dumb luck thrown in for good measure. Essentially, it is asinine to say this planet/universe is fine-tuned for us. If anything, we are finely-tuned by the environment.
Third and by far the largest problem for this argument. As of the writing of this post, we currently know of one planet in our solar system that supports life. That life is supported mainly on its surface, and (except for Tardigrades), species can only survive in certain environments. There are seven other planets in our solar system (plus a few hundred moons) that do not support life (as far as we know now). There are a few possible other places in our solar system that might have life (i.e. Mars and a few moons around Jupiter or Saturn). Thus, out of several celestial bodies in our solar system, there are less than ten of them that could support life. Besides this, there is empty space between those celestial bodies wherein life cannot exist. Basically, whenever a theist tries to use the Fine-Tuning Argument, they are essentially saying; “Look at this earth size planet. It has one microorganism on it. Thus, the planet must be finely-tuned for the microorganism.” Any engineer would look at that system and conclude that it was poorly tuned if its purpose was for sustaining that microorganism. If this universe was fine-tuned for anything, it was fine-tuned for creating black holes and not life.
One objection to these objections could be if the theist is willing to admit their deity(s) is not omnipotent. Most apologists in the West would not dream of giving up that aspect of their deity. However, why would an omnipotent being need to fine-tune a system in the first place? Would it not be powerful enough to create a flawless system? In addition, if it were not powerful enough to create a flawless system, how could we say it is a god?
Another objection that Abrahamic Apologists could try is “The Fall” caused this. One problem I would have with this objection is that it could account for the planet earth, but why all the other celestial bodies and the rest of the universe? Why create such a universe that would be affected by two hairless apes on a rock orbiting a nondescript star?
There appears to be nothing redeemable about this argument. In fact, this argument could be far better used to show that there is not a single omniscient and omnipotent deity that cares about life (let alone humans) for the simple fact that this universe is not finely-tuned for us. Given just one of those two attributes (omniscient or omnipotent), a human fine-tuner could produce a universe far more hospitable for life.
Last month’s challenge must not have been as challenging as I thought. The correct answer was given by WarK within an hour of the blog going up.
Deinonychus antirrhopus
This critter is indeed Deinonychus antirrhopus.
(Taken at the New Mexico Museum of Natural History and Science)
Deinonychus lived during the early Cretaceous 115 to 108 million years ago. Deinonychus stood ~87 cm at the hip, reached ~3.4 meters in length, and weight ~73 kilograms. Deinonychus lived in what is now the modern western U.S. with possible fossils of it found in eastern states. Deinonychus belongs to the dromaeosaurid clade. Deinonychus (meaning terrible claw) is named for the claw found on the second toe of each foot. This claw was retractable, meaning that it kept it off the ground so it would remain sharp for the animal’s entire life. It also had three sharp claws found on each hand.
Bite marks from Deinonychus have been found on herbivorous dinosaurs. Measuring the amount of force needed to puncture the bone reveals that Deinonychus had a bite strength roughly the same as an American alligator. It is believed that Deinonychus lived and hunted in packs. Working together, they would have been able to take down much larger animals. The first Deinonychus specimen discovered is what reignited the idea that birds were closely related to dinosaurs in the 1960s. Since than, it is now believed (based on specimens of closely related animals) that Deinonychus also possessed feathers; in fact, the whole dromaeosaurid clade could have possessed feathers.
Moving on to next month’s challenge:
(Taken at the New Mexico Museum of Natural History and Science)
Above is the last Know Your Bones challenge I will be doing for a while. I am going to focus this blog in a different direction. I just wanted to finish off with this specimen, because it is one of my favorites.
Well, last month no one took a guess at the challenge. I am chocking that up to the up-tick in activity the blog has had recently and the holidays. Because of that and the fact that I am feeling very lazy, I am just going to repost the same challenge for this month.
(Taken at the New Mexico Museum of Natural History and Science)
Good luck again to everyone that plays and have a happy 2016 everyone!
Last month’s challenge brought out a few good guesses and two that were correct. However, like so many other times, only one person was the most correct. Last month that happened to be our resident paleontologist Isotelus with the more correct answer.
A phytosaur; I know there’s some reassigning going on, so Pseudopalatus/Machaeroprosopus? I don’t know species names, at least not for this genus.
This critter is indeed Machaeroprosopus buceros formally known as Pseudopalatus buceros. Red identified the wrong species name and I was unaware when I picked the critter that its genus had changed. Thus, Isotelus should get extra kudos. Honestly, I picked this obscure critter mainly so WarK would not get a third victory in a row.
(Taken at the New Mexico Museum of Natural History and Science)
M. buceros lived during the late Triassic 205 million years ago and is found only in New Mexico. However, Machaeroprosopus species are found through out the southwest of the U.S. M. buceros grew to 3-4 meters as adults. M. buceros was an aquatic predator that would have lived its life much like a modern crocodilian, which is catching fish or ambushing prey at the shoreline. During the late Triassic, a giant swamp covered most of what is now the modern southwest of the U.S. Several different species of aquatic predator are found throughout this area and time range.
(Taken at the New Mexico Museum of Natural History and Science)
Even though it looked very similar to modern crocodilians, M. buceros was a phytosaur, which are only distantly related to crocodiles, making this a classic case of convergent evolution. One of the easiest ways to tell the difference between a crocodilian and a phytosaur is where the nasal aperture is located. On a phytosaur, the nasal aperture is located on the back of the head near the eyes, while a crocodilian’s nasal aperture is located on the tip of their snouts. The specimens of M. buceros show sexual dimorphism in the skulls. There is a robust morph believed to be male and a gracile morph believed to be female. This is mainly based on our observations of crocodilians and their sexual dimorphism in which the males are the larger of the two.
Moving on to next month’s challenge:
(Taken at the New Mexico Museum of Natural History and Science)
Good luck to everyone that plays.