These models differ by the constrains given to the orientation of the electron's spins (arrows). If all spins are aligned in one direction, the material becomes a ferromagnet. Below the magnetic ...

Cells adopt the called "bottle 23 shape" that would be simplified as frusta. c) Mathematical model for an epithelial tube. d) Modelling clay figures illustrating two scutoids participating in a ...

New research from the University of Waikato nails down how much light travels from the outside world to babies in the womb, ...

On page 1240, Fisher and Henzinger state, “Whereas an algorithm must be devised to simulate a mathematical model, a computational ... goal is to make computer science tools accessible to biologists.