Factors divide into other numbers exactly, with no remainders. Take these eight tasty ants for example. They can be divided into one group of eight. But we can also divide eight into two lots of four.

A conjugate vaccine is a substance that is composed of a polysaccharide antigen fused (conjugated) to a carrier molecule. This enhances the stability and the effectiveness of the vaccine.

4 In this issue of The Lancet Oncology, another phase 2 trial conducted exclusively in China with a different HER2-targeted antibody–drug conjugate as the palliative second-line treatment of NSCLC is ...