Published News Life Science

Squid and octopus can edit and direct their own brain genes

Octopuses and squid have confirmed their reputation as Earth-bound “aliens” with the discovery that they can edit their own genetic instructions.

Unlike other animals, cephalopods – the family that includes octopuses, squid and cuttlefish – do not obey the commands of their DNA to the letter.

Scientists just announced our best shot at ending antibiotic resistance to date

Scientists have developed a molecule that reverses antibiotic resistance in multiple strains of bacteria at once, making it one of the most promising advances we've had to date in the fight against superbugs.

11 Most Amazing Facts You didn’t know about the DNA. | Science Samhita

DNA is present in every cell of our body that means it is present in almost 100 trillion cells and the total DNA person in these cells can stretch from the Earth to the Sun hundreds of times. DNA is undoubtedly a long structure, but if you compare its width with your hair then it…

The Journey of Genetic Material: from Nuclein to DNA. | Science Samhita

The Journey of genetic material from Nuclein to DNA started with the discovery of Nuclein by Meischer and ended with the Hershey-Chase Experiment. There was a time during this journey when the battle for the title of genetic material was fought between Protein and DNA. But, at the end, DNA unequivocally won the battle and…

Questions We Generally Ask About Natural Killer Cells. | Science Samhita

Natural killer cells are large, granular lymphocytes that are part of the innate immune system and are able to kill cells infected by viruses or by some intracellular bacteria. They are called "Natural Killer Cells" because they have an inherited capability to kill infected cells or tumor cells. These cells recognize their targets by using two different methods, Missing Self Hypothesis and Antibody-Dependent Cell-mediated Cytotoxicity (ADCC). NK cells play a vital role against Viral infections as they provide a first line defense against many of them.....

Why Nature Preferred DNA over RNA? | Science Samhita

It is a well-known fact that DNA acts as a genetic material in most of the organisms on this planet earth. However, it is also clear that RNA also acts a genetic material, but only in some viruses (for example, Tobacco Mosaic Viruses, QB Bacteriophage, etc.). Now, the question that arises here is that, “Why Nature preferred DNA over RNA?”

Frozen Tardigrade Brought Back to Life After 30 Years

Researchers at the National Institute of Polar Research in Tokyo defrosted and revived two of the tiny animals, which are also known as water bears, from a batch collected in the Antarctic in 1983, The Asahi Shimbun newspaper reports. While one tardigrade died after 20 days, the other began reproducing. It laid 19 eggs, of which 14 hatched successfully.


Image: Megumu Tsujimotoa et. al.


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