Do You Know?

1. What is the dark side of the moon? Is it always dark?

2. Does the planet Mercury have a dark side?
Is it always dark?

3. What are GM crops and GM foods?

4. Compact fluorescent lamps (CFLs) are considered to be an important contribution in the fight against global warming. What is so special about them?

5. Potatoes, chillies and tea are not native to India but were imported from other countries. Where do they come from?