Interesting Engineering on MSN6 个月
Fish species with human-like teeth named after Lord of the rings villain
A team of international researchers have discovered and identified a new species of pacu, belonging to the family of piranha ...
BBC3 个月
Ultimate piranha fact file and quiz
Size - Typical piranhas are, on average, are around 13 to 25cm long, with 10 razor-sharp teeth, usually around ... so the chance of a piranha ever attacking a human is very slim.