The scientist dropped a petri dish onto a surface for varying lengths of time, ranging from 0 seconds to one minute. They then placed the samples in a fridge to cool, until the results become clear.

There are small petri dishes, there are large petri dishes ... to watch evolution in both time and space—and as they report today (September 8) in Science, MEGA has revealed that the fittest ...

It is therefore important that any petri dish or agar used is sterilised before use, and that aseptic techniques are used to inoculate the plates. An inoculating loop can be used to transfer bacteria.

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 ...

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Skin cells growing in a petri dish (green: cytoskeleton, red: cell-cell junction protein). Use of images is limited to editorial coverage of scientific topics relating to the activities of the Max ...

The soil fungus Mortierella alpina in a petri dish. M. alpina produces special molecules with a worm-killing effect, the malpinins, which it uses to protect itself from predators.