Science and technology are a major part of lives. How can we use science to solve some of the problems mankind faces?

Science and technology are a major part of lives. How can we use science to solve some of the problems mankind faces? Explain what problems you think “science” can address. After watching the video,  ( https://www.youtube.com/watch?v=0zsWdW7eJ1M&ab_channel=solomonkane ).   Does TB in a Russian jail worry you?