Use of the chinchilla as a model of middle ear infection in auditory research necessitates accessing the middle ear to collect samples or inoculate bacteria. This column describes a simple ...

Harnessing bacteria to supplement maize nutrition isn’t new, but a growing body of evidence shows that biological solutions ...

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.

In that case, a soybean inoculant could help add beneficial bacteria back to the soil. Discover what soil, weather and rotation gives you the most bang for your inoculant buck. “If you use ...