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Researchers Identify New Genes Linked With Schizophrenia Risk in First-of-Its-Kind Study

Researchers have made an important discovery about the causes of schizophrenia, a disease related to dementia or fragmented mentality.   Researchers have identified two genes associated with the disease as well as a third gene that carries the risk of schizophrenia and autism. Scientists involved in this research believes, this discovery can go a long way in finding a cure for these kind of diseases. Researchers at the Icahn School of Medicine found that these harmful genes are almost the same in every ethnic or racial group. The findings of this research were published in Nature Genetics . According to an estimate, about one percent of people worldwide suffering from schizophrenia. The scientists identified two risky genes, SRRM2 and AKAP11, based on a comparative analysis of gene sequencing from individuals with schizophrenia and healthy individuals. It compared a dataset of 35,828 patients with schizophrenia to 107,877 healthy or control groups and included a variety of

Stone Age Humans Wore Bear Skins 300,000 Years Ago

How did prehistoric humans protect himself from adverse weather impacts? 

We have very little information about it. Recently, archaeologists from Germany have claimed that contemporary humans probably used bear skins to cover their bodies. 

Bear claws and other body parts remains found in a cave suggest that bears and other fur-bearing animals were hunted for their fur about three million years ago.

Author Ivo Verheijen from the University of Tumbingen in Germany says that some prehistoric sites show evidence of bear skinning. Germany's Schöningen is important in such places. According to the study, fur, leather, and other organic materials cannot be preserved for more than a million years, so there is very little direct evidence of clothing.

Bears' hair was windproof

According to the researchers, the size of the prehistoric bears was very large, their size was as big as the polar bears which became extinct about 25000 years ago.  

Those bears had long hair on their body which worked as a layer to protect them from the wind. According to research published in the Journal of Human Revolution, these hairs provided good insulation.

Use of unstitched skins

It has also been told in the research that this skin was used without stitching, it was wrapped around the body. The archaeological record of the needle used to sew clothing dates back some 45,000 years, but it is still challenging for researchers to determine when the use of clothing began.

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