A ventricular septal defect (VSD) is a hole in the septum, which is the wall separating the two lower chambers of the heart. In many cases, the hole closes on its own. A ventricular septal defect is a ...

Scientists used Lorentz transmission electron microscopy (LTEM) to visualize topological defects. They were able to do so by passing electrons and observing their deflections through a thin magnetic ...

A congenital heart defect is a condition you’re born with. Types of heart defects vary in severity — with some, you’ll need surgery as a child, while others don’t need treatment until later in life or ...

For a bacterial cell, the cell-wall is vital in determining the shape of the cell and to maintain its structural integrity. This is a unique feature of bacterial cells, and several antibiotics work by ...