CLEAN : FILE: Economist Thomas Piketty refuses Frances highest honour

The video tutorial discusses various topics, starting with small growth rates and the context of a university. It then moves on to the history of compensation and media networks like Netflix. The tutorial explains developments during the first part of the 20th century and highlights recent increases and challenges. Finally, it covers innovations in food substances and cooking, emphasizing the incredible changes in these areas.

What challenges are indicated in the text regarding recent increases in grain usage?

What does the text suggest about the relationship between cooking and food substances?