How DNA is read: Future

In my novel, Thirty, people have an annual health scan that reads the levels of their genes and corrects these to normal levels so that they can stay young and healthy forever. Unfortunately real science hasn't yet caught up. We are, however, one step closer because it is now possible to measure gene expression in … Continue reading How DNA is read: Future

How DNA is read: past and present

This post is part of a series on the fact and fiction of┬ábiological computing. How DNA used to be read In 1977, Fred Sanger and friends changed science when they discovered a way to read DNA sequences. The ability to read DNA sequences meant that scientists could start to unlock the DNA code. They could … Continue reading How DNA is read: past and present

How DNA is made

Recently I started a series of posts on whether biological computers are science fact or still science fiction. I started out by saying that DNA is an excellent way to archive information but it still can't be used to store information that you need to access all the time, like a lot of what you … Continue reading How DNA is made

What causes ageing?

Ageing is caused by a complex interplay between genes and environment. Both external environment, things like diet, exercise, stress and infection, and the environment of each cell, things like oxidative stress and epigenetic changes (changes in marks on DNA) affect how our cells, and therefore how our whole body ages. Ageing is an accumulation of … Continue reading What causes ageing?