The Big Bang Theory - Penny's Christmas gift to Sheldon

1) For what reason did Penny arrive at Leonard's and Sheldon's apartment?

Because it's Chrismas. She give the gift to Sheldon.

2) What does Penny give to Sheldon?

The gift that gives a napkin.

3) Who's DNA is on Sheldon gift?

Leonard Nimoy.

4) What does Sheldon plan to do with the DNA?

Create a new Leonard Nimoy.

5) Leonard received what as his gift? What is lesson one?

A motorbike lessons. Not fall before starting the bike.

6) Sheldon thinking that his gifts are not enough to thank penny, does what?

Sheldon planned to have multiple presents ready for Penny so he could give her a present equal in value to the one she gave him. 

7) How would you describe Sheldon?

It's a bit nervous and it is hard to say things, but also to express feeling is generous.

*Bonus: Who is Leonard Nimoy?

Is an American actor, film director, poet, singer and photographer. Nimoy is best known for his role of Spock in the original Star Trek series, and in multiple film, television, and video game sequels.

How many cell phones are there?

1) How many cell phones are there per person in the world?

6/7 persons.

2) What are the differences in different countries? Can you comment some specific cases?

Russia, Germany, Brazil, Indonesia, United States and Japan have the most mobiles. China, Pakistan, Nigeria and India used little since there are have fewer resources. Russia for example is the biggest country.

3) What will happen in the future?

In the future the mobile phones will be more advanced.

4) How is it that we can speak on a mobile phone without hearing other conversations from other people?

Because each subscription have one number.