Rareresource: January 2008

Monday, January 21, 2008

T. Rex has teen pregnancies

Dinosaurs have pregnancies as premature as age 8, far before they attain their maximum adult size. Researchers initiate medullary bone,the same tissue that allows birds to grow eggshells, into two new dinosaur specimens: the meat eater Allosaurus as well as the plant eater Tenontosaurus. It's too been found in Tyrannosaurus rex. The discovery allowed researchers to find the age of these pregnant dinosaurs were at 8, 10 and 18. These put forward that the mortal reached sexual maturity in advance. Dinosaurs grow up fast but only alive three to four years in adulthood. Medullary bone is only approximately for three to four weeks in females who are reproductively mature. The research too offers more confirmed that dinosaurs were less like reptiles and more like birds. While dinosaurs had young before adulthood, their early on sexual maturity was more a function of their tremendous size than some anatomical similarity to crocodiles.

Refer: http://www.citizen-times.com/apps/pbcs.dll/article?AID=/20080120/
NEWS01/80118063

Monday, January 14, 2008

Curious fish eating dinosaur contain crocodile like skull

A curious dinosaur has been shown to contain a skull that work like a fish eating crocodile, in spite of looking similar to a dinosaur. It also crazed two huge hand claws, conceivably used as snatch hooks to lift fish from the water. Somewhat digested fish scales plus teeth, and a dinosaur bone were bringing into being in the abdomen region of the animal, signifying that as a minimum of the time this dinosaur ate fish. Additionally, it had a very unusual skull that appears as part dinosaur and part crocodile.

The curious skull of Baryonyx is very stretch, with a bent or sinuous jaw margin as spot in large crocodiles and alligators. It moreover had chubby conical teeth, somewhat than the blade like jagged ones in meat eating dinosaurs, and a conspicuous spherical jaw tip that tire a rosette of teeth, more usually seen today in slender jawed fish eating crocodilians for example the Indian fish eating gharial.

Refer: http://www.huliq.com/47126/unusual-fish-eating-dinosaur-had-crocodile-skull

Monday, January 7, 2008

Insects might have also made it harder for dinosaurs to endure by change the nature of plant life on Earth. Bees along with other pollinators aid to promote the fast spread of flowering plants, important to the loss of vegetarian dinosaur’s habitual food sources. As the plant intake dinosaurs reject, as a result would their predators.

The theory helps give details why dinosaurs took so extended to die off, the time at which the dinosaurs nowhere to be found, among the Cretaceous and Tertiary periods, is well-known as the K-T Boundary. Rising new diseases spread by biting insects, joint through the spread of flowering plants, and struggle with insects for plant resources, was "absolutely well-suited" with a extended process of death. In dinosaur faeces we bring into being nematodes, trematodes and even protozoa that might have caused dysentery and additional abdominal disturbances. The infective period of these intestinal fleas are passed by filth visiting insects.

Refer: http://news.independent.co.uk/sci_tech/article3315197.ece

Thursday, January 3, 2008

Scientists in central China's Henan Province proclaimed on Tuesday that they had unearthed fossils of the heaviest dinosaur in Asia. The fossils were find out in an region between Santun township and Liudian township in Ruyang county, along with the dinosaur which has an unusually large coelom , the body cavity that having the digestive area , has been recognized as Asia's heaviest said Wu Guochang, common engineer of the provincial land resources department.

The dinosaur measures 18 meters elongated and its sacrum , part of the vertebrae in the lower backside , is as large as 1.31 meters, creation it broader than to of the dinosaur fossil unearthed in Gansu last year, which was then recognized as Asia's heaviest dinosaur.

Refer : http://www.antara.co.id/en/arc/2008/1/3/scientists-discover-asias-heaviest
-dinosaur-in-china

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