Discovery of earliest known dinosaur

The scientists had made an amazing discovery of earliest known dinosaur that may have walked on the earth. This dinosaur named as Nyasasaurus parringtoni is more than ten million years old than previously discovered dinosaurs. It is believed to have walked upright on two legs and feed on small insects and plants. The  researchers found the fossil specimen of this dinosaur that has been in the London’s Natural History Museum’s collection for decades that has now been identified as most likely belongs to the dinosaur that lived about 245 million years ago about 10-15 millions earlier than any previously discovered fossils.

The creature is about the size of a Labrador dog and slight of build with a five-foot long tail and most likely walked upright on two legs. The rib cage of this dinosaur consisted of only few ribs and arm bones to go on and therefore, scientists are not sure about the eating habits of this dinosaur. The name of this dinosaur had been named after Southern Africa’s Lake Nyasa, which at present is known as Lake Malawi, and the Cambridge University’s Rex Parrington – well-known and most distinguished vertebrate paleontologists and comparative anatomists of his generation – who collected this specimen at a site near the lake in the 1930’s

The researchers at the Natural History Museum had gradually examined these fossilized bones that were collected during Cambridge University expedition to Tanzania over these decades. Noted paleontologist Alan Charig of the National History Museum was examining these fossils. The fossil of this dinosaur was studied in the 1950’s but no concrete evidence or conclusion emerged and therefore nothing was published about this fossil. The researchers believe that Nyasasaurus probably stood upright and was a meter tall at the hip and about 2-3 meters long from head to tail and weighed about 20-60 kg.

Water on the Red Planet

Scientists have been researching relentlessly in search of any clues that might provide breakthroughs which will help them find out whether planet Mars had life or any biological past or not. The recent progress that has been achieved is that they have found out that there might have been water in the inner layers of Mar’s crust. They have conducted a study of rocks blasted out from the Martian craters and they claim that these rocks can reveal a lot about Mar’s geological past and many more things which could also help in the research for the search of life and life supporting factors on the Red Planet.

The scientists reveal that theses rocks that have blasted from the Martian craters are like a hidden treasure. The latest update from the astronomers is that they are planning to zoom in on the craters with the help of Mars express and MRO spacecraft on an area of 1000 kilometers-2000 kilometers, called Tyrrhena Terra. They are carrying out experiments on the rocks embedded in the crater and till now have found out 175 sites which contain minerals that are formed in existence of water. The astronomers have found out hydrated silicates that were found at depths of hundreds of kilometers and the composition of these rocks suggests that there might have been water underground and this is the reason that the chemistry of the rocks excavated from these craters is altered.

 

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