1. 5:56 - What is DNA? 2. 7:35 - What does DNA mean? 3. 7:43 - What is DNA made of? 4. 10:25 - How did the scientists discover DNA? 5. 14:26 - How big is DNA? 6. 16:04 - How is our DNA reacting in life? 7. 18:27 - How can you study and learn about DNA when you're at home? 8. 20:06 - If there are over 7 billion people on Earth, wouldn't there be at least one pair of people who have the exact same DNA? 9. 22:03 - What is inheritance? 10. 26:18 - How do you carry DNA from your mom and dad at the same time? 11. 28:00 - How do you use DNA to see if your mom is your mom or your dad is your dad? 12. 30:52 - How do I get traits from my grandmother if I'm not directly related to her? 13. 32:34 - Can you get DNA from a dead person? 14. 34:20 - When do cells duplicate their DNA? 15. 35:49 - What is mutation? 16. 37:15 - Do I have the same DNA as my half brother or half sister? 17. 38:14 - What are genetic tools? 18. 41:37 - What is an enzyme? 19. 43:52 - Are these tools tiny? 20. 46:44 - If I combined some of my DNA with some of the DNA from a lion, would that make the sphinx? 21. 49:31 - How does radiation affect DNA? 22. 53:12 - What is radiation? 23. 54:35 - Why did people start using DNA in the first place? 24. 58:19 - How does melanin help against UV radiation?