Cilia drive fluid flow in development and physiology, but this requires that all cilia in a tissue orient the same way. Earlier studies indicated that both planar cell polarity (PCP) signalling ...

President Donald Trump has ordered federal officials to scour monuments, memorials and statues to remove language he says may "inappropriately disparage Americans," as part of his efforts to fight ...

The following answers to this artful question each win a random book. Art is something we do, a verb. Art is an expression of our thoughts, emotions, intuitions, and desires, but it is even more ...

box scale: of prasinophytes, a box-shaped, organic scale on the outer surface of the cell body. bristles: of ciliates, stiff and rather immobile cilia (long or short) of several kinds and functions.