IN the course of investigations carried out on the influence of bacteria and fungi on flour ... encountered by repeated contamination of the Petri dishes used for spore counts by spreaders such ...

With any scientific experiment, you need some kind ... So everyday objects harbour all types of bacteria, and these can be grown in petri dishes with some surprising and rather revolting results ...

An inoculating loop can be used to transfer bacteria. It is sterilised by heating it to red hot in a Bunsen flame, before and after use. To inoculate the agar, lift the lid of the Petri dish and tilt.

there are large petri dishes, and then there is MEGA, an enormous, 2-foot-by-4-foot slab of black agar infused with a gradient of antibacterial drugs. Researchers built this behemoth to watch ...

This disorder proved very fortunate. In 1928, he was straightening up a pile of Petri dishes where he had been growing bacteria, but which had been piled in the sink. He opened each one and ...

A TikTokker posted a video on the social media platform and showed viewers how he did an experiment on ... The man then used petri dishes to test for bacteria and showed viewers that the sample ...

The awe-inspiring size of the experiments performed ... that ushered in an era in which bacteria could be studied in isolation. The invention of a simple dish to hold the medium, by Julius Petri ...