IT is widely believed that all irreversible mechanical processes involve an increase of entropy, and that ‘classical’ (that is, non-statistical) mechanics, of continuous media as well as of particles, ...

Numerous cell surface receptors modulate cellular motile functions through the control of dynamic actin polymerization. The status of cytoplasmic actin is sensed and communicated to the nucleus in ...

Not long ago one of our British playwrights had a characteristic Christian line in one of his plays: “It’s not death, it’s life that defeats the Christian church. She’s always been equipped to deal ...