Harlequin - or Arlecchino - was a witty and wily servant character dressed in colourful diamond patches (yes - the pattern is named after him). The actor playing the Harlequin was often an acrobat ...

In a rainforest of Ecuador, a neon-colored creature with “long” limbs perched near a stream and called out for a mate. Its pulsing call worked — but also attracted the attention of nearby scientists.