Fish introduced to a mirror began to act strangely, swimming upside-down or spreading their fins. They also tried to scrape a mark from their throats. Reading time 5 minutes New research seems to ...

The environment experienced by young zebrafish influences both the shape and electrical activity of the neurons in the eye, ...

Cancer care has changed a lot in recent years. Doctors do not just look at how a tumour looks under a microscope. They also study the genes inside cancer cells to understand how the disease behaves.

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. For decades, self-awareness has been guarded as a very ...