In Natural Science we are becoming familiar with medicine discoveries to help people not to get ill or to cure them once they are ill.
Though there are many scientists and many discoveries, we are going to see some general ideas through some easy videos.
I hope you like them and you learn a little bit more apart from the contents in your book.
We all know that vaccines are necessary and help us prevent very serious illnesses caused by virus. The first vaccine was discovered in 1796 by Edward Jenner. Here you have two videos in connection with the origin of vaccines and how they work.
We are also learning a little bit about antibiotics that help us cure infections caused by bacteria.
The first antibiotic to be discovered was penicillin. Penicillin was discovered not so long ago, in 1928, by Alexander Fleming.
In the first video you are going to find out a little bit about Alexander Fleming and his discovery. In the second video you will learn something about how antibiotics work.
