A Southland company is growing red seaweed as a supplement that’s been shown to significantly reduce methane emissions in beef and dairy cattle. In our last summer science series episode, Cosmo Kentish-Barnes of the Country Life team heads to Bluff to learn more.

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Learn more:

• You can read Cosmo Kentish-Barnes' story about this topic, Red seaweed cuts methane emissions from cattle, scientists say.
• Cosmo signed off from the Country Life team earlier this year, after 17 years as the show's South Island producer. You can listen to his final episode.
• There are also pāua and whitebait farms operating out of the Ocean Beach Aquaculture Hub in Bluff. Kate Evans visited both ventures in a 2024 episode of Voice of Tangaroa, Fish out of water.

Guest:

• Brent Jackson, production scientist

Go to this episode on rnz.co.nz for more details

Why do we spend more than we need to? Is it mood, FOMO, the desire to impress? Or maybe some tricky behavioural triggers we're not even aware of? Our summer science series continues with an episode of the RNZ podcast Thrift, in which Katy Gosset gets to the heart of the matter with a consumer behaviourist, and shares some tips to stop us spending.

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Learn more:

• You can read about the psychology of spending in RNZ's story: Why do we spend more than we need to?
• Thrift is an upbeat podcast that offers wise ways to beat the cost of living crisis and get the best from your money. Listen to more episodes of Thrift.

Guest:

• Ekant Veer, consumer behaviourist

Go to this episode on rnz.co.nz for more details

We’d all like to know how to live long healthy lives, and Kim Hill is no different. In this episode of Kim Hill Wants To Know, she talks to geneticist Dame Linda Partridge about the scientific breakthroughs that could mean the end to aging as we know it.

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Learn more:

• In 2023, Our Changing World spoke to researchers about what happens to our muscles as we grow and age.
• Kim Hill Wants To Know sees Kim back asking questions in her inimitable style. She has conversations with guests from around the world about topics that spark her interest and will do the same for you. Listen to more episodes of Kim Hill Wants To Know.

Guest:

• Dame Linda Partridge, geneticist

Go to this episode on rnz.co.nz for more details