A toothbrush with bristles that produce electricity as they bend has shown promise for reducing plaque and gum inflammation ...

Tom Gauld's weekly cartoon ...

Denis Villeneuve’s first (and probably best) foray into science fiction, Arrival, was released 10 years ago this month. It ...

Why do carnivorous quadrupeds sit on their haunches, but herbivorous ones don’t? Is the order of mathematical operations, ...

This week's cartoon from Twisteddoodles ...

George Steinmetz’s image, which has just won him the Drone Photographer of the Year award, shows ship breakers in Bangladesh ...

Data from the Large Hadron Collider has revealed evidence of a long-sought particle process that serves as a guide into the ...

Feedback notes with weary inevitability that a 50th anniversary edition of Richard Dawkins's classic work features a ...

We have an unprecedented choice of food, yet our diets are worse than ever, says palaeoanthropologist Daniel Lieberman. So ...

As a young woman, Anna Lembke believed her fate was in her hands. A brilliant student, she graduated with honours from Yale ...

This question was posed as part of New Scientist’s Last Word series, in which readers give scientific answers to each other’s ...