42: The Answer to Almost Everything

What would happen to our bodies if we were all suddenly exposed to weightlessness in space?

Scientists have long been convinced that the use of psychedelics can sometimes be beneficial.

Black holes can tell us a lot about the universe. But could they hold the key to understanding our world? 

Parasites get a bad rap: they can make us sick or even kill us.

Is it possible for us to spend less time asleep and enjoy extra waking years for leisure and work?

The fact that we have a breathable atmosphere on Earth is largely down to algae. Could these aquatic plants be the secret of solving climate change and saving ourselves and the planet?

Every day human beings make around 200 decisions about what to eat. But what drives these choices?

What's the recipe for making a song a global hit?

The universe is big. So big, that surely 'Earthlings' can't possibly be the only form of intelligent life