Whitepages Address Lookup Ontario - Find a person in ontario white pages canada people directory Find people in ontario white pages directory select a city to browse people listings by postal code Find a person in ontario white pages canada people directory. So Horner has another idea: Use the living dinosaurs among us to recreate creatures dead for millions of years.
Enough atavisms have been discovered in birds to make the idea of "reverse-engineering" a dinosaur out of, say, a chicken possible, Horner says. LiveScience talked with Horner about his "chickenosaurus" plan and what sort of dinosaur he'd like to keep as a pet.
Horner: Knowing that birds descended from dinosaurs and knowing the changes that occur from dinosaurs to birds, we know that the changes that did occur occurred because of genetics. A friend of mine, Hans Larsson at McGill University, was studying some of these changes and looking into how it was that dinosaurs lost their tails in the transformation from dinosaurs to birds. And then what we would have by doing those two things, you'd actually take a bird and turn it into an animal that looked a lot like one of the meat-eating dinosaurs.
The most important thing is that you cannot activate an ancestral characteristic unless the animal has ancestors. LiveScience: You've mentioned in the past that you see this dino-chicken as a teaching tool to help people understand evolution.
LiveScience: Starting with a chicken, how close could we really get to what a dinosaur looked like? A bird is really a dinosaur, so we're pretty sure that the breathing apparatus of a bird evolved from the breathing apparatus of a dinosaur, and is therefore completely different than a mammal. LiveScience: Would chickenosaurus teach us anything about dinosaurs we can't learn from fossils? One, as we know, when a chicken embryo is developing in the egg, just like basically all animals, the embryo actually for a time has a tail and then the trail re-absorbs. The other method would be simply to go in and discover what Hox genes [the genes that determine the structure of an organism] might be responsible for actually adding tail vertebrae, and then to see if we could add some, either by manipulating the Hox genes or by using temperature. Me, I just go through the literature, looking for anything that might give me a clue as to what genes might be responsible for tail absorption or tail growth or something that might help me with hands. LiveScience: The comparisons to "Jurassic Park" are easy to make, but have you ever seen the movie "The Birds?" Do we really want chickens with extra teeth and claws running around?
LiveScience: So if you could bring a dinosaur back — the real thing, not a modified chicken — what species would you choose? One is a model of civic order, the other an urban war zone just a few hundred yards away across the Mexican border. In El Paso, Friday nights in the fall are dedicated to high school football, and a Christmas tree lighting and holiday parade downtown draw thousands on a chilly December night. A grisly war involving Mexico's ruthless drug cartels has killed as many as 4,000 of Juarez's nearly 1.5 million people over the past two years, making it one of the most dangerous cities in the world.


El Paso, with a population of more than 600,000, has had fewer than 30 murders in that same period and was recently named America's second-safest city of its size, behind Honolulu, by Congressional Quarterly. Many people in El Paso are grateful and brag about the low crime rate in this corner of far West Texas. While El Paso residents enjoy the Friday night lights and holiday outings, their Mexican neighbors live under siege.
They have to make their way past checkpoints manned by some of the more than 7,000 army troops stationed in Juarez.
For years, some law enforcement officials, politicians and supporters of tightened borders have warned of the potential for a catastrophic spillover of bloodshed similar to what happened in Miami when it became a center of the cocaine trade in the 1970s and '80s. One explanation given: While violence tends to follow drugs and money, in El Paso the drugs and money are mostly just passing through, said David Cuthbertson, the FBI agent in charge in El Paso.
El Paso has also been spared drug violence because the Mexican cartels have managed their operations from Mexico, with its lower cost of living and "easier-to-buy-off police," said Peter Moskos, a professor at the John Jay College of Criminal Justice in New York.
Howard Campbell, a sociologist at the University of Texas-El Paso and expert on the violence in Juarez, said the Mexican cartels learned a lesson from the Colombian druglords who set up operations in Miami — that causing mayhem on the U.S. Ernesto Arzaga, who lives in El Paso with his wife and two daughters, crosses the border every day to run a hair salon and restaurant. His wife calls him routinely during the day, and if she can't reach him, she often sends a friend from Juarez to look for him. In the 1970s, Horner, the curator of paleontology at the Museum of the Rockies in Bozeman, Mont., and his friend Bob Makela discovered a Maiasaura nesting site, painting the first picture of dinosaurs as doting moms and dads. Horner, who served as a technical advisor for the "Jurassic Park" movies, has no illusions that the technique in that movie — extracting dino DNA from mosquitoes in amber — would work.
Anyone who's seen "Jurassic Park" knows that birds are dinosaurs, part of the evolutionary line containing those toothy Velociraptors.
You wouldn't be adding anything to the bird to make it more dinosaurlike; all the ingredients are in its DNA. It's more about subtle changes, adding a tail or fixing a hand or possibly adding teeth, what we would think of as being relatively simple changes rather than messing with physiology or something like that. The physiology of a bird is evolved from a dinosaur and not from a mammal, so it's not like we're trying to take a mammal and turn it into a dinosaur. Once we learn what certain genes do and how to turn them on and turn them off, then we have great potential of solving some medical mysteries. We know that in the development of a tail, there are a variety of things that have to happen, so there are a couple of ways to possibly go about this. So if we could find the gene that re-absorbs the tail and not allow that gene to turn on then we could potentially hatch a chicken with a tail. There have been some experiments done showing that adding heat will add a vertebra here or there.


An adventurous postdoc who knows a lot about developmental biology and a little bit about birds and has done some work about chickens to work in our lab here in Bozeman.
First off, you can go out in the Serengeti and there are all kinds of animals that will eat you, but if you're driving around in your Jeep, you're just fine. The chief explanation, according to experts on the drug trade, is that the traffickers have kept their base of operations on the Mexican side and do very little business in El Paso itself.
They worry about ending up in the wrong cafe at the wrong time, and don't look at the people in the car next to them at a stoplight for fear the occupants will open fire. Cuthbertson said the marijuana and cocaine smuggled across the border are bound for bigger cities, including Phoenix and Los Angeles. We had taken this picture on the internet that we consider would be probably the most representative pictures for best nail color for interviews.
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We got this picture on the net that we think would be one of the most representative photos for dsm iii r pdf. He's also been at the forefront of research suggesting that dinosaurs were fast growing and warm-blooded. I got to thinking, if he discovered the genes that were responsible for both of those transformations, we could just simply reverse evolution and reactivate the tail, and possibly make a hand back out of the wing. There are people who are misinformed, and there are people who are uninformed [about the validity of evolution]. There are a lot of ways to think about this, but it's not really about dinosaurs other than solving Hans Larsson's problem of figuring out how birds lost their tails.
The lions and cheetahs and leopards are not going to try to get into your Jeep when there are plenty of plant-eaters out there to eat that aren't inside of a metal cage. Dinosaur DNA has proved impossible to extract from actual dinosaur bones, never mind blood-sucking insects. Human embryos, for example, have temporary tails, which are absorbed by the body during development. Gun battles break out in broad daylight, with children and other innocents caught in the crossfire.
Rarely, babies are born with vestigial tails, the result of scrambled genetic processes that prevent the tail from getting re-absorbed. If they've been misinformed and don't mind being misinformed, then they probably will continue to be misinformed.



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