"This suggests that the pineal organ of the lamprey is not a one-cell system, but a system in which two types of opsins are present in different photoreceptor cells," states Dr. Seiji Wada.

If we have an allergy to peanuts, strawberries or dairy, we are quick to blame our immune systems. But when we enjoy a ...

This sometimes occurs when two different influenza strains meet up inside the same cell and exchange genes, allowing a new variant to emerge. Co-infection can create a predicament for viruses when ...

To carry out their study, the scientists labelled different cell types in two species of salamander in order to ascertain what kinds of cell give rise to new muscle tissue in salamanders that had ...