Across
- 4. (adj.) - Complicated and difficult to understand
- 6. (v.) - To try to find more information about something
- 9. (n.) - Someone who is the first to discover or develop new methods
- 11. (v.) - To gradually spread through a group
- 12. (n.) - A cause of continual troubles
- 13. (v.) - To ask for money, help, or information
- 14. (v.) - To discover or guess something
- 15. (n.) - Something very attractive or hard to resist
Down
- 1. (n.) - An unexpected source of something pleasant or useful
- 2. (n.) - A brain chemical involved in motivation and reward
- 3. (n.) - The occurrence of making fortunate discoveries by chance
- 5. (v.) - To think about something in a casual way
- 7. (v.) - To combine to form one single group
- 8. (v.) - To make someone do something by persuasion or reminder
- 10. (n.) - The general spirit or feeling of a period in history