Coronavirus and hand cleaning

As the coronavirus pandemic hit, we were told to wash our hands for at least 20 seconds with soap or detergent several times a day. However, many people also called for alcohol gels to be made available in many workplaces, including schools.  So, what is the difference between all these different methods of cleaning our […]

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Confusing Concentrations

By Sam Holyman Are you concentrating at the end of term?  At school we are getting ready for the new academic year, sorting labs, stock taking and making sure everything is labelled.  And concentration has become the hot topic of debate! We use the term concentration all the time, and in everyday life this gets […]

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