Discover how the eye turns light into sight with this interactive guide to the human eye. The eye is probably the most complex organ in our body, acting as a middle man between the external world and our perception of it. Sight has a much bigger impact on our daily life than we realize, and understanding the way our eyes function is not an easy task; opticians study for years before they qualify. If you are intrigued by the brain’s ability to transform light rays into an actual image, we highly recommend you take a look at this interactive guide to the human eye. We are not saying that this tool will turn you into a professional optician overnight; however it could help you to appreciate the wonder of sight as you gaze at every little thing around you.
Mitochondria editing tried in mice - BBC News. Researchers have developed a technique to edit out bits of mitochondrial DNA that could otherwise pass on incurable diseases, a study in mice shows. Salk Institute scientists used specifically engineered molecular scissors to snip out mutations in embryos, leaving healthy DNA intact. They hope it could one day be used to prevent human mitochondrial diseases.
But experts say though it is a "technical masterpiece", it raises ethical and scientific challenges. Mitochondria are tiny powerhouses found inside nearly every cell in the body, generating energy necessary for essential functions. They carry their own DNA - which is passed on from mothers to their children. But if inherited mitochondrial DNA is defective, children can have life-limiting conditions involving muscles weakness and blindness. Reporting in the journal Cell, scientists tested molecular scissors on mice with two different types of mitochondrial DNA (mtDNA).
"The results seen in mice are promising. "This research is unethical. How to Make a Mummy — Demonstrated by The Getty Museum.
Biotech. Galerías fotográficas. Botánica. Biología celular. FlexBooks. Biologia. APBIO. Evolución. Biology. Biology 1A: General Biology (Spring 2010) Anatomía. Biología general. Bioquímica. Viendo las moléculas: Chemitorium. Citología-Histología.