The more closely geneticists look at complex traits and diseases, the harder it gets to find active genes that don’t play some part in them.
An ambitious study in yeast shows that the health of cells depends on the highly intertwined effects of many genes, few of which can be deleted together without consequence.
The long, variable times that some diseases incubate after infection defies simple explanation. An idealized model of tumor growth offers a statistical solution.
To better understand the molecules described by the latest prize in medicine, we will need the technique recognized by the latest prize in chemistry.