Where does the phrase 'I'm on cloud nine' come from?

What does 'cloud nine' have to do with happiness?

This caller answered the question of what a vitamin is

What is a vitamin?

Lizzy Ratcliffe of the Royal Society of Chemistry, with some of the redundant tech gathered by staff.

Gadgets Hoarded In Our Drawers Contain Endangered Elements

Running in the rain will keep you drier

Do You Get Wetter Running Or Walking In The Rain?

Magnet

How Are Magnets Made?

A promo for Cadbury's flake

Why Don't Flakes Melt?

Police helicopter in Hungary

Why Do Helicopter Pilots Sit On the Right Hand Side?

Rear-view mirror

Why Do Objects In The Rear-View Mirror Appear Further Away Than In The Wing Mirrors?

The number 7 with a line drawn through it

Why Is Seven Sometimes Drawn With A Line Through It?

How does a Thameslink train know carriages are full?

How Does A Train Know How Full Carriages Are?

Man looking at phone

Why Won't Facial Recognition Unlock Your Phone If You’re Looking Sideways?

Milky Way

Why Are Stars And Planets Spherical When Galaxies Seem Flat?

Man using hand sanitizer

What Happens To All The Dead Germs When You Use Hand Sanitizer?

Mystery Hour Podcast

Download the FREE Mystery Hour podcast every week

Download the FREE Mystery Hour podcast every week

Top Ten Most Read Questions

Mystery Hour

What Is The Small Pocket On Jeans?

Mystery Hour

Why Do Crisps All Expire On A Saturday?

Mystery Hour

Why Are We "Happy As Larry"? Who Was Larry?

Mystery Hour

What Do The Yellow "H" Signs Mean?

Mystery Hour

Why Do Pub TVs Have A Pint Glass In The Corner?

Mystery Hour

Can Women Be Colourblind?

Mystery Hour

Why Do We Wear Wedding Rings On The Left 4th Finger?

Mystery Hour

What Does F.A.B. Stand For In Thunderbirds?

Mystery Hour

What Is 'Mufti' In A Mufti Day?

Mystery Hour baby hand

Could You Identify An Adult From Their Baby Fingerprints?

LBC Latest

Team GB sprinter accuses police of 'racial profiling' after traffic stop

Woman stabbed to death at London hotel before man falls from ledge

Is Iran under attack? Six curious incidents prompt theory that it might be
Players and match officials take part in minutes applause for NHS staff and key workers prior to the Premier League match at Turf Moor, Burnley

Nation comes together to applaud NHS on its 72nd anniversary