7 things I didn't know last month

1. Dragonflies have 30,000 lenses in each eye
2. Marrows and courgettes are the same plant
3. Party Rings contain no artificial colourings
4. No Galloping down Prince's Ride (Ashridge)
5. Tomato Ketchup should be kept in the fridge after opening
6. Dishwasher detergent stays frozen longer than water
7. Checkers (Prime minster's residence) was named after the Wild Service tree, which is also known as the Checker tree