Essay in 2005

Random numbers: from stone casting to computers to radioactive decay, the generation of random sequences has always preoccupied mankind.

Landscapes: when perturbed by climatic and tectonic changes, landscapes resonate with a range of frequencies.

RNA world: does changing the direction of replication make RNA life viable?

Memory: some systems in the brain may be better equipped to handle the future than the past.

Human parthenotes: an ethical source of stem cells for therapies?

Social trauma: early disruption of attachment can affect the physiology, behaviour and culture of animals and humans over generations.

Natural selection started to drive evolution as soon as molecular replication became possible.

How Einstein became the personification of physics.

Cryptic species: as we discover more examples of species that are morphologically indistinguishable, we need to ask why and how they exist.

Tissue engineering: mathematical models are helping to take tissue engineering from concept to reality.