Editor's note

Thinking more about the environmental impact of your choices could also include the format in which you buy your music. Vinyl is very much in right now, but adding non-recyclable plastics to your life is out, out, out. That said, while streaming brings you the tunes you want without the PVC, it’s not necessarily better for the environment than a record – especially if you’re one of those people who likes to play the same song over and over again. Find out how to choose the greener option according to your personal listening habits. And, while you’re at it, learn more about the ancient roots of recycling.

His sprightly visage is misleading but, in truth, his somewhat dated fashion choices are a bit of a giveaway. Tintin is 90 years old this month, even if he doesn’t look a day over 15. Across dozens of adventures, Hergé’s hero has been central to the popularity of comic books over the years and still has a lot to teach readers, even as he approaches his centenary.

It was another week of political upheaval across the globe and our authors have, as usual, been seeking to make sense of it all. From the latest Brexit shenanigans in the British parliament, and a contested election in the Democratic Republic of Congo, to the ongoing government shutdown in the US, we’ve got you covered.

In Canada, our colleagues have an interesting take on the smash hit Netflix movie Roma and two curious kids in South Africa want to know if dogs and cats can understand us when we woof or miaow at them.

Have a lovely weekend.

Laura Hood

Politics Editor, Assistant Editor

Our favourite way of listening to music might have a bigger environmental impact than we think. patat/ Shutterstock

The environmental impact of music: digital, records, CDs analysed

Sharon George, Keele University; Deirdre McKay, Keele University

Some of our favourite music formats might not be as environmentally friendly as we think.

Rawpixel/Shutterstock.com

Circular economy: ancient populations pioneered the idea of recycling waste

Maikel Kuijpers, Max Planck Institute for the History of Science

Recycling on a large scale is a Bronze Age invention.

Tintin: one of Belgium’s great gifts to the children of the world. catwalker via Shutterstock

Tintin: as the eternal youth turns 90, he’s still teaching children about the world

Paul Aleixo, Sheffield Hallam University

Tintin's adventures aren't just fun to read – you can pick up a lot of history as well.

Critics and audiences of the award-winning film Roma may be missing important Mexican historical and cultural facts.

Two things you may have missed in Alfonso Cuarón’s ‘Roma’

Alejandro Hernandez, Carleton University

Director Alfonso Cuarón was awarded best foreign language film and best director at the Golden Globes for 'Roma.' Here, a sociologist explains the hidden historical and cultural context of the film.

shutterstock

Top five ways to boost your health in 2019 – based on the latest research

Sophie Medlin, King's College London

New Year's health goals? Here's what you need to know.

It was a controversial manoeuvre but MPs voted it through anyway. PA

Brexit: what does the latest parliamentary upset mean for Theresa May?

Louise Thompson, University of Manchester

If it loses the key Brexit vote next week, the government will have just three days to come up with a plan B.

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