• Bike helmets can look dorky and are often too bulky to stash in a bag. The Park & Diamond is a new helmet designed to solve both of those problems, resembling a baseball cap when it’s on your head and collapsing down to the size of a water bottle when it’s not.
  • ​​Proof that innovation does not have to be expensive, this year’s Dyson Prize goes to American designer Isis Shiffer for her invention of the EcoHelmet, a foldable paper helmet that makes it easier for cyclists to protect their heads for just $5.​