On today's Wire:

For Dear Science, we talk about the changing weight of kilograms, measuring the earth’s mass and growing plants with the help of music.  

Lillian talks to Tracey Martin from NZ First today, who is the Associate Minister of Education, on the Teachers Strikes.

Lisa reports on the current industrial actions in Courts around the country.

We hear from Laura O’Connell Rapira and Kate Collyns from Action Station about a programme they have run called Tauiwi Tautoko.