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?

A woman has given birth following an experimental reproductive technique that uses DNA from three people

Baby Boy With Three Parents Born In Greece

The first ever image of a black hole

The World’s First Real Picture Of A Black Hole Revealed

Social Media

Social Media Firms To Be Legally Required To Protect Users

Why does a train blow its horn at random?

Why Do Trains Blow Their Horns?

Why does this tractor have such big wheels?

Why Do Tractors Have Big Back Wheels?

International Space Station

What Is The Most Expensive Thing That Has Ever Been Bought?