Describing growing tissues in the language of thermodynamics

A key feature of biological tissues is their inhomogeneity and their ability to grow via cell reproduction. To study this behavior, it is important to describe it using equations, which account for factors including growth ...

The immortality of germ cells

Germ cells, the reproductive cells that eventually become eggs and sperm, are set aside early in embryonic development, when the embryo is just a hollow ball of cells called the gastrula. This means that the cells transferring ...

It's time environmentalists talked about the population problem

In all the talk of tackling environmental problems such as climate change, the problem of population growth often escapes attention. Politicians don't like talking about it. By and large, neither do environmentalists—but ...

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