From slime mould to space junk, and Botox to cow burps, Horizon journalists covered a wide range of stories in 2015 - and learned some curious facts along the way. Here are our favourites.
What makes a scientist? You might think of lab research, years of specialised training and technical jargon. But an exhibition now touring across Europe could change your mind.
As residents in the Caribbean try to piece together their lives after being battered by two powerful hurricanes in a fortnight, scientists are working to find out if storms Irma and Maria are signs of what may come as the climate changes.
Scientists are building new supercomputer simulations to predict if hurricanes will change in the future.
New device can alert patients when they need to take their medicine.
4D heart imaging could uncover the cause of Europe’s biggest killer.