1. A monsoon is a wind, rather than rain.
2. Dolphin pods have no leader.
3. Lake Baikal in Russia holds about a fifth of the world's fresh water.
4. Many businessmen believe biscuits are key to clinching deals.
5. Some slugs are carnivores, and have razor-sharp teeth.
6. Nelson Mandela was still on the US terror watch list until last month.
7. Eating a big breakfast helps weight loss.
8. Flowers wave at passing insects to get their attention.
9. The language of space is English.
10. Seals can navigate from the position of stars.