The traditional poo emoji (left) only shows one possible shape of faeces. Some worms extrude their excrement upside down, leading to a very different shape (right). As a playful by-product of their ...

Ask a child to draw some poo, and the shape will invariably be the same: a coil, broad at the base and pointy at the top, similar to a spiral swirl of soft-serve ice cream. In fact, the often-used poo ...

The normal poop of a healthy breastfed baby is brownish yellow or green, seedy, and sometimes slightly runny. However, in the first few days after delivery, the baby may pass thick, blackish stools.

The intriguing, yet somewhat malodorous, topic of poo transplants is in the news. A study published today found poo transplants are better at treating a particular type of diarrhoea than an antibiotic ...