Given that all city dwellers know they’re never more than a few feet away from a rat, it’s perhaps surprising how shocked we are when we actually see one. I don’t know about you but the mere shadow of a rat scuttling across my peripheral vision sends a distinctive cold chill down my spine and invariably stops me in my tracks. I always need a reset when I see one, which isn’t true of, say, a fox or a city squirrel.

Does this visceral reaction really make sense? And if it doesn’t, are we humans perhaps the ones who need to rethink our position? There’s a wealth of science to show that rats are OK guys. They live socially complex lives and have friends beyond their immediate family. They are capable of imagination (can you say that of a pigeon?) and display kindness towards other rats for no reason.

Researchers are therefore perhaps right to suggest that obliterating our urban neighbours with poison, traps and general violence is a course of action that puts us in a bad light. An interesting project going on in Finland is trying to identify how our two species might live in harmony instead of hatred.

In a polarised age, we also need help living in harmony with our kin, too. Spending time with family at Christmas can mean clenching your fists under the dinner table while your distant cousin mansplains dubiously cited political “facts”. If you’re one of the many people soon to spend the festive season in the company of relatives who don’t quite see the world the same way you do, we’ve produced this useful guide to talking politics with the people you love without throwing a single roast potato at them.

Collagen drinks are all the rage in the skincare industry but results about how useful they are remain inconclusive. However, there’s stronger evidence to suggest that collagen can help with recovery from exercise and to help us build stronger bones, as we explore in this guide to the supplement du jour.

Also this week, a tribute to poet and leading Rastafarian Benjamin Zephaniah after his untimely death this week, a look at why you might want to consider a hybrid heating system, and we ask what would happen to all our dogs if humans disappeared from the face of the earth.

Laura Hood

Senior Politics Editor, Assistant Editor

Gallinago_media/Shutterstock

Rats are more human than you think – and they certainly like being around us

Tobias Linné, Lund University

Rats are well known to cause problems for humans. But we need a new approach to our relationship with them.

Hybrid systems combine two or more technologies to heat a house. ThomsonD/Shutterstock

How a hybrid heating system could lower your bills and shrink your carbon footprint

Jovana Radulovic, University of Portsmouth

Oil and gas must be eliminated from heating systems over the coming years.

There are plenty of controversial topics on the table this year. Victoria 1/Shutterstock

Five tips on talking politics with family without falling out – from a conflict resolution expert

Majbritt Lyck-Bowen, University of Winchester

Turning our family discussions into ‘brave spaces’ can lead to productive, respectful conversations.

Collagen is an important protein when it comes to the health of our connective tissues. Milan Ilic Photographer/ Shutterstock

Collagen supplements may help improve the health of your tendons and bones

Rob Erskine, Liverpool John Moores University

The benefits of collagen may be important for our physical health, particularly as we get older.

Sean Spencer|Alamy

How Benjamin Zephaniah became the face of British Rastafari

Joseph Powell, University of Cambridge

Poet, actor, activist and musical luminary, Zephaniah embodied a challenge to the pervasive, racist stereotypes that have long tagged the Rastafari movement in the UK.

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