This beaker mug from ScienceCompany, which is adorned with a diagram of the caffeine molecule, is the perfect way for a science nerd to start his or her morning. It even has beaker graduations on ...

It is much easier to draw than drawing a picture of the beaker. Cross-section diagrams are used in science to help make scientific diagrams of apparatus clear and easy to understand what they show.

The mammoth study, published in Nature, suggests the newcomers, known as Beaker people, replaced 90% of the British gene pool in a few hundred years. Lead author Prof David Reich, from Harvard ...