Petri Dish Picasso is an organization bringing this little-known ... Narrator: Agar is a jellylike substance made from red seaweeds used to culture bacteria and fungus in labs.

Jon Chase: Bacteria ... agar jelly with time, nutrients, and an optimum temperature. These girls at Copthall wanted to investigate the bacteria growing on their possessions. They took some petri ...

The purpose of this practical is to investigate the effect of antiseptics or antibiotics on bacterial growth using agar ... any bacteria that are present in the solution or on the petri dishes.

In 1928, he was straightening up a pile of Petri dishes where he had been growing bacteria, but which had ... but they raised little interest. He published a report on penicillin and its potential ...