The BBC's Curious Cases series, in general, aims to inspire curiosity and encourage viewers to explore the world around them. By producing episodes like "Blacked," the BBC promotes STEM education and critical thinking, essential skills for navigating an increasingly complex world.

Julian smiled back, and this time, there was a hint of challenge in it. "Then let's write one."

Ashby didn't see Julian again for a week. But she thought about him every day. She thought about the way he spoke, the way he listened, the way his eyes seemed to see right through to her soul. She found herself counting down the days, the hours, until she could return to The Velvet Room .