Color is a power which directly influences the soul. Do you like attractive colors like Green or Orange? This video will change you mind...

After watching that video, I have some interesting questions for you:

1. When was the Radium found to be a toxic chemical?

2. Who was the first to use lead to make white pigment?

3. Who did complain about serious illness like melancholy, coughing or even blindness when worked with lead?

4. Which colour was speculated to kill Napoleon?

5. During World War II, what was the US government confiscated for use in bomb development?

Let's check the answer here (Bold the space below):

1. 20th century

2. The Ancient Greeks

3. Artists

4. Green

5. Uranium