Fly-swatting mystery is solved

If you've ever tried to swat a fly, but found it difficult, you're not alone!

Experts in America say they've solved the mystery of why the winged insects are so hard to hit.

Flies have incredibly fast-acting brains and can actually think of the best way to dodge out of the way, planning a quick escape route.

And so what's the best way to swat a fly? The experts say you should creep up slowly and aim a bit ahead of where it's sitting.

Quiz: Insects

The experts watched special close-up videos in slow motion to work out how the insects were able to avoid being hit time and time again.