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Humpback dinosaur – theropod of the north

Concavenator corcovatus found in Spain shows signs of flight feather appendagesMeet the humpback dinosaur. The previously unknown Concavenator corcovatus was a meat eater that lived in the Lower Cretaceous 130m years ago and died in what is now in Las Hoyas, Spain.The details of the fossil, reported today in Nature, paint a picture of a six-metre-long theropod, a family of dinosaurs previously...

Chopping and changing in the microbial world: How mycoplasmas stay alive

Mycoplasmas regularly change their surface proteins to confuse the immune systems of the humans and animals they invade. Recent work in the group of Renate Rosengarten and Rohini Chopra-Dewasthaly at the University of Veterinary Medicine Vienna has revealed surprising new details of the way they do so and at the same time raised important evolutionary questions. The results are published as the...

Cloud computing method greatly increases gene analysis

Researchers at the Johns Hopkins Bloomberg School of Public Health have developed new software that greatly improves the speed at which scientists can analyze RNA sequencing data. RNA sequencing is used to compare differences in gene expression to identify those genes that switched on or off when, for instance, a particular disease is present. However, sequencing instruments can produce billions...

Does the impact of psychological trauma cross generations?

In groups with high rates of posttraumatic stress disorder (PTSD), such as the survivors of the Nazi Death Camps, the adjustment problems of their children, the so-called "Second Generation", have received attention by researchers. Studies suggested that some symptoms or personality traits associated with PTSD may be more common in the Second Generation than the general population. It has been...