Some cancers can spread to other parts of the body A primary tumour is the name for where a cancer starts. Cancer can sometimes spread to other parts of the body – this is called a secondary tumour or ...

Toehold-mediated DNA strand displacement has proven powerful in the construction of various DNA circuits, DNA machines, and biosensors. So far, many new toehold activation mechanisms have been ...

Five elements symbolic diagram 2D cartoon object animation. Geometric sacred elementals of air, fire, water, earth and spirit harmony animated flat colorful item 4K video isolated on white ...