The September heatwave currently encasing large parts of the UK is certainly bringing out a lot of emotions. Some are relishing a few extra days of summer but others have had quite enough. Anyone passing through The Conversation’s London HQ this week will have seen a file of editors wilting from room to room in a desperate bid to find a space cool enough to have a meeting.

We survive in these climes thanks to the miracle that is the human body, which comes equipped with all kinds of fabulous mechanisms to prevent it from overheating. Did you know, for example, that even an inactive adult sweats about 450ml of liquid per day? It’s an essential function if we’re to stay cool. This guide to your internal functions shows all the different ways your body is getting you through this sizzling September. Bring on the vasodilation!

It does, however, appear that not all of you are quite so roasting as I am right now. I know this because one of our more popular articles this week has, rather surprisingly, been this explainer on what happens to your body in extreme cold. I’m not sure what you’re doing to need this information and what you get up to in your own time is your own business. But just know that while I’m over here vasodilating, you’ll be looking to vasoconstrict to keep warm. Don’t worry though, again, your body does it all on your behalf.

Our ongoing women’s health series has this week been seeking to end the silence on vulva diseases. The female anatomy is disturbingly overlooked in medicine and women’s pain is often underestimated. That leaves too many people suffering unnecessarily with treatable conditions. The testimonies make for troubling reading but the hope is that confronting our lack of knowledge about pretty basic stuff can help turn the tide.

Is North Korea supplying arms to Russia? Both parties say no but there are plenty of signs that suggest otherwise, not least a recent high-profile visit to Pyongyang by Russian defence minister Sergei Shoigu. If this relationship flourishes, it would be a dangerous development in the Ukraine war, as we found out thanks to this expert.

Also this week we looked back at 15 years of nudge theory, talked to a therapist about what it really means to be “friends with benefits”, and learned via corpus linguistics that Shakespeare called flowers “bastards”.

Laura Hood

Senior Politics Editor, Assistant Editor

The body is well-equipped to cope with the heat. tommaso79/ Shutterstock

Heatwaves and hot temperatures are hard on the body – but a series of in-built adaptations make it easier to cope

Adam Taylor, Lancaster University

Sweating is just one of the body’s many processes that help keep us cool.

The employee was only wearing jeans and a t-shirt. Cast Of Thousands/ Shutterstock

What happens to your body when you get left in the cold

Adam Taylor, Lancaster University

The bizarre case of a Pret a Manger employee being stuck in a -18℃ freezer for two-and-a-half hours highlights the dangers of cold temperatures.

Mikhaylovskiy/Shutterstock

Vulva health conditions: it’s time to shatter the silence

Sophie Rees, University of Bristol

Vulval conditions can be life threatening. But many people don’t know even know what the correct terms for female genitals are.

Brothers in arms: Russian defence minister Sergei Shoigu with North Korean leader Kim Jong-un at a military parade in Pyongyang in July. EPA-EFE/KCNA

Ukraine war: two good reasons the world should worry about Russia’s arms purchases from North Korea

Daniel Salisbury, King's College London

Despite the UN sanctions against North Korea, Russia is apparently trading weapons and technology which could help Pyongyang’s missile programme.

StunningArt/Shutterstock

Nudge theory: what 15 years of research tells us about its promises and politics

Stuart Mills, University of Leeds

The idea of gently tweaking our behaviour still makes political sense.

More newsletters from The Conversation for you:

Ukraine Recap • Imagine climate action • Global Economy & Business • Europe newsletter • Something Good

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