Chimerism happens when a woman is pregnant with twins, and one of the embryos dies. The other embryo then absorbs its twin’s cells. Experts are not sure how common the condition is since there are only 100 documented cases. But do you know what chimerism really is? Chimerism is a disorder in which people are […]
Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues. But did you know that PARP-1, a type of protein, constantly repairs our damaged DNA? The PARP-1 is a protein found in our cells that constantly repairs damaged DNA. However, it cannot repair the DNA in neurons while
How Does the Protein PARP-1 Help Our Body? Read More »
Ancient DNA reveals complex migrations of the first Americans “Where do I come from?” That’s perhaps one of the most fundamental questions for humanity. Now, three studies of ancient and modern human DNA are offering some intriguing answers by providing a detailed new look at the complex peopling of the Americas. Once modern humans left
