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.

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 ...

An international team of researchers has found a small tropical fish that is capable of passing a classic test of self-awareness. The results are published on the bioRxiv prepress server. Since the ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A little fish just passed a classic scientific test of self-awareness ...

A report that a fish can pass the “mirror test” for self-awareness reignites debates about how to define and measure that elusive quality. A little blue-and-black fish swims up to a mirror. It ...