Monday November 20, 2017

150 Tracks from 21 Dinosaur species discovered in Australia

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Skeleton of a dinosaur, VOA

Brisbane, March 27, 2017: A team of palaeontologists has identified 150 tracks from 21 dinosaur species in Australia, the University of Queensland announced on Monday.

The discovery includes five different types of predatory dinosaur tracks, at least six types of tracks from long-necked herbivorous sauropods, four types of tracks from two-legged herbivorous ornithopods, and six types of tracks from armoured dinosaurs, the university said in a press release.

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The diversity of the tracks is unparalleled, said Australian paleontologist Steve Salisbury, lead author of the study that was published in the 2016 Memoir of the Society of Vertebrate Paleontology, Efe news reported.

“Among the tracks is the only confirmed evidence for stegosaurus in Australia. There are also some of the largest dinosaur tracks ever recorded. Some of the sauropod tracks are around 1.7 metres long,” he said in the statement.

Salisbury called the discovery “extremely significant” as it forms the primary record of non-avian dinosaurs in the western half of the continent and provides the only glimpse of Australia’s dinosaur fauna during the first half of the Early Cretaceous Period.

The footprints were found in a rocky area, 127 to 140 million years old, in Walmadany, a region in western Australia containing thousands of dinosaur tracks, and which was listed as a National Heritage in 2011.

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The newly-identified 150 tracks are older than most dinosaur fossils unearthed in the eastern part of Australia and which are thought to be between 90 and 115 million years old, added the release.

Members of the aboriginal group Goolarabooloo, traditional inhabitants of Walmadany, approached Salisbury and his team to research the tracks in the region after authorities chose the area to build a liquid natural gas processing plant.

These dinosaur tracks also form part of the Goolarabooloo’s songs about Marella, also known as Emu Man, a creator being whose ancient footprints they believe appear and disappear along the coastline. (IANS)

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Researchers found a new Drug to Reduce Alcohol Addiction in Teenagers

The drug is (+)-Naltrexone can reduce the drinking habit in teenagers.

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A new drug can reduce Alcohol addiction in teenagers
A new drug can reduce Alcohol addiction in teenagers. Pixabay
  • Researchers have found a new drug that may eventually help to reduce alcohol addiction in adults who used to binge during their adolescent years.

A new drug found which can reduce Alcohol addiction in teenagers

“During our teen years, the brain is still in a relatively immature state. Binge drinking worsens this situation, as alcohol undermines the normal developmental processes that affect how our brain matures,” said lead author Jon Jacobsen, a Ph.D. student at the University of Adelaide, Australia.

“Therefore, when an adolescent who has been binge drinking becomes an adult, they’re often left with an immature brain, which assists in the development of alcohol dependence,” Jacobsen added.

For the study, published in the Journal Neuropharmacology, researchers observed that adolescent mice involved in binge drinking behavior developed an increased sensitivity to alcohol as adults and engaged in further binge drinking.

The researchers were able to prevent some of these detrimental behaviors observed in adulthood, by giving mice a drug that blocks a specific response from the immune system in the brain.

The drug is (+)-Naltrexone, known to block the immune receptor Toll-like receptor 4 (TLR4).

“This drug effectively switched off the impulse in mice to binge drink. The mice were given this drug still sought out alcohol, but their level of drinking was greatly reduced,” says senior author Professor Mark Hutchinson, Director of the ARC Centre of Excellence for Nanoscale BioPhotonics at the University of Adelaide.

“We’re excited by the finding that we can potentially block binge drinking in an adult after they have experienced such behavior during adolescence, by stopping the activation of the brain’s immune system. It’s the first time this has been shown and gives us hope that our work has implications for the eventual treatment of alcohol addiction in adults,” Hutchinson noted.(IANS)

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“Regionality is What Sets Indian Food Apart” from the Cuisines Across the World, says MasterChef Australia Judge Gary Mehigan

Gary Mehigan carries back inspiration from India to his kitchen from his each visit

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MasterChef Australia Judge Gary Mehigan
MasterChef Australia Judge Gary Mehigan. Twitter
  • Gary Mehigan said that Indian food is gaining deserved attention globally
  • We have many Indian chefs like Manish Mehrotra, Sanjeev Kapoor
  • The Chef expressed that food the world over has seen enormous changes driven by social media

August 27, 2017: Globally renowned English-Australian chef, television show host and restaurateur Gary Mehigan says he believes that “regionality is what sets Indian food apart” from the cuisines across the world.

In an email interview with IANS from Melbourne, Mehigan said that Indian food is gaining deserved attention globally. “We’re close to seeing India explore its intellectual property, namely food, properly. We have many Indian chefs like Manish Mehrotra, Sanjeev Kapoor and many other names from all over the world infiltrating the food scene in a big way.”

 “People still sometimes see Indian food as a homogeneous chicken tikka, rogan josh, chicken vindaloo cuisine, when we know it is far from the truth. Regionality is what sets Indian food apart. Regionality is what the world is going to appreciate when it starts to learn about Indian food,” Mehigan explained.

“I hope I’m a part of those who bring great Indian food to Australia,” said the chef, who is now the face of Fox Life’s “Food @ 9: India Special with Gary Mehigan”.

“There’s quite a bit of Australian talent we’re trying to showcase through the series. These shows get addictive and help us travel vicariously through our television sets,” he stated.

ALSO READ: Indulge in Gluttony: 14 Surprising Facts that you never knew about Indian Food!

Mehigan, who will be setting foot in India for the seventh time this November, said he carries back inspiration from the country to his kitchen from each visit.

“I love the country – something about the color, the chaos, the diversity and the originality of the food, it all gets under your skin. I carry home a few recipes and ideas each time I visit. It’s certainly changed the way I cook at home,” he said.

Known popularly for shows like “Far Flung with Gary Mehigan”, and for his presence as a judge on “MasterChef Australia”, the Chef expressed that food the world over has seen enormous changes driven by social media.

“I’m loving where food is at the moment. Ideas are being shared so quickly through social media — whether it’s Instagram, Twitter or Facebook. I can browse through my Instagram and look at what some of my most favorite restaurants in the world are serving for lunch.

“The frame of reference for younger cooks is much bigger. They are able to browse through how a matcha ice-cream is made in Tokyo, or how funky desserts are made in Parisian cafes,” Mehigan said.

All in all, it’s a great thing for food with awareness growing, he opined. “This global club of foodies is only expanding. It’s a great thing for food, our health, and our planet too if we care about where our food comes from.”

Social media is also one of his ways to keep reinventing his food, said the chef, who has been in the industry for nearly three decades.

“Social media is there to keep my imagination going. I’m food obsessed. I go on holidays because of food. I think I’ve never been in love with food more than I am now,” Mehigan said, signing off. (IANS)

 

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Fossil of Patagotitan Discovered in Argentina: The Heavyweight Champion of all Dinosaurs weighs 76 Tons

The New Heavyweight Champion of Dinosaurs is Patagotitan

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Museum attendees walk by the head of the newly named Patagotitan mayorum, a 122-foot (37.2 meter) titanosaur, at the American Museum of Natural History in New York
Museum attendees walk by the head of the newly named Patagotitan mayorum, a 122-foot (37.2 meter) titanosaur, at the American Museum of Natural History in New York. VOA
  • The dinosaur’s fossils were found in southern Argentina in 2012
  • The researchers named the dinosaur Patagotitan dinosaur Patagotitan mayorum after the Patagonia region where it was found and the Greek word titan, which means large
  • A cast of the dinosaur’s skeleton is on display at the American Museum of Natural History

USA, August 10, 2017: A study proclaims a newly named species the heavyweight champion of all dinosaurs, making the scary Tyrannosaurus rex look like a munchkin.

At 76 tons (69 metric tons), the plant-eating behemoth was as heavy as a space shuttle.

The dinosaur’s fossils were found in southern Argentina in 2012. Researchers who examined and dated them said the long-necked creature was the biggest of a group of large dinosaurs called titanosaurs.

“There was one small part of the family that went crazy on size,” said Diego Pol of the Egidio Feruglio paleontology museum in Argentina, co-author of the study published Tuesday in the journal Proceedings of the Royal Society B.

The researchers named the dinosaur Patagotitan dinosaur Patagotitan mayorum after the Patagonia region where it was found and the Greek word titan, which means large. The second name honors a ranch family that hosted the researchers.

Six fossils of the species were studied and dated to about 100 million years ago, based on ash found around them, Pol said. The dinosaur averaged 122 feet long (37 meters) and was nearly 20 feet high (6 meters) at the shoulder.

ALSO READ: Frogs’ Survival Possible due to Dinosaurs’ Death: Study

A cast of the dinosaur’s skeleton is on display at the American Museum of Natural History. It’s so big that the dinosaur’s head sticks out into a hallway at the New York museum.

Legendary T. rex and other meat-eaters “look like dwarfs when you put them against one of these giant titanosaurs,” Pol said. “It’s like when you put an elephant by a lion.”

Scientists have known titanosaurs for a while, but this is a new species and even a new genus, which is a larger grouping, Pol said. Another titanosaur called Argentinosaurus was previously thought to be the largest.

“I don’t think they were scary at all,” Pol said. “They were probably massive, big, slow-moving animals.”

“Getting up. Walking around. Trying to run. It’s really challenging for large animals,” he said.

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The big question is how did these dinosaurs get so big, Pol said. Researchers are still studying it but said it probably has to do with an explosion of flowering plants at the time. Along with a forest, it was like an all-you-can-eat buffet for these dinosaurs and they just got bigger.

“It’s hard to argue this isn’t a big deal when it concerns the [probable] largest land animal ever discovered,” University of Maryland paleontologist Thomas Holtz, who wasn’t part of the study, said in an email.

Kristi Curry Rodgers, a paleontologist at Macalester College who wasn’t part of the study, praised the work as important. She said the fact that Patagotitan’s bones show signs that they haven’t completed their growth “means that there are even bigger dinosaurs out there to discover.” (VOA)