Beginners often have difficulty reading the value of –2’s complement number; here’s a simple technique that may help. In my previous column, I introduced the SANX-I Microcomputer, whose goal is to ...

In order to use exosomes as biomarkers of diseases in different tissues it is vital to distinguish them according to their surface protein complements. Researchers at Uppsala University and Vesicode ...

When you are doing arithmetic by hand because your calculator’s batteries just gave up and your laptop is in the other room, it’s best if you can check your calculations with a different process than ...