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Teach

February 1, 2023 | Issue 61

Much ado about nothing: spot misleading science claims and explore rapid antigen tests and buffers

Fighting fake facts: When a Covid test shows a positive result with cola, does testing make sense? To answer this, one must understand how antigen tests and buffers work.

Ages: 14-16, 16-19;
Topics: Biology, Chemistry, Engineering, Health, Science and society

Teach

September 1, 2021 | Issue 54

Little wonder: pH experiments the microscale way

Drop by drop: Learn about pH chemistry and neutralization reactions, and produce wonderful colours using microscale methods that are cheap, quick, and easy.

Ages: 14-16, 11-14;
Topics: Chemistry