A horse was shot in the head with an arrow in what the RSPCA described as a "wicked attack".
The injured white and brown Cob-type yearling, called Widget, was discovered in a field in Abbots Langley, Hertfordshire on Saturday evening.
The New Scientist reports that a new device, called the Equimètre and developed by start-up Arioneo in Paris, France, has been designed to reduce injuries and help trainers to hone a horse’s performance: