
The SciencesJanuary 1, 1992
How Cells Absorb Glucose
Glucose, a crucial nutrient, must enter cells with the aid of a special transporter. Recent research elucidates the structure and function of the transporter and how insulin regulates it

How Cells Absorb Glucose
Glucose, a crucial nutrient, must enter cells with the aid of a special transporter. Recent research elucidates the structure and function of the transporter and how insulin regulates it

The Evolution of the Andes
The geology of the central Andes indicates that the history of the range can be understood in terms of the consumption of a plate of the earth's crust plunging under South America