Our bodies have to sense our environment, and receptors are one part of the sensory experience of the body. Receptors, such as those in taste buds, can interact with specific things in the environment ...

Liquids and solutions are complex environments—think, for example, of sugar dissolving in water, where each sugar molecule ...

Proteins spanning the membranes of cells of the intestine and kidney use sodium-ion gradients to take up glucose, enabling water absorption, too. The structures of these transporter proteins have now ...