Editor's note

Lake Baikal, the world’s deepest lake and its largest by volume, formed more than 25 million years ago. As a result, the lake is full of plants and animals that have evolved to thrive in these deep, cold conditions and are found nowhere else in the world. However, Baikal is in southern Siberia, one of the fastest-warming regions on earth. Anson Mackay and George Swann say this means the lake is warming too fast for its ecosystem to adapt.

Most of us have turned to food at times of stress or sadness but while it may make us happy in the short term, in the long run it can affect our health. Some researchers argue that emotional eating like this comes from not being able to properly regulate our emotions. Now, they have found that when people can’t regulate their emotions it can both directly and indirectly affect weight and BMI.

Local newspaper journalism may well be in decline, but the industry has had a lasting impact on many British towns and cities. Victorian Britain had such an appetite for local news, explains Andrew Hobbs, that prominent public buildings including libraries, meeting halls and even pubs were specifically designed to provide spaces where people could catch up on current affairs.

Let’s hear it for phosphorus, an essential component of everything from DNA to, er, Sarin gas. It’s 350 years since a wild-eyed German alchemist looking for the elixir of life in a bucket of urine discovered this highly combustible element instead. Petr Kilian looks at how phosphorus helped to shape modern chemistry – and is now very worryingly running out.

Yesterday proved another dramatic day in the Brexit story. Follow all the latest developments here.

Ruth Dawson

Wales Editor

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Katvic / shutterstock

Lake Baikal: how climate change is threatening the world’s oldest, deepest lake

Anson Mackay, UCL; George Swann, University of Nottingham

Plankton in the world's oldest and deepest lake are being disrupted by exceptionally warm waters.

Overeating in response to emotions is one of the many factors that can drive weight gain. Dragana Gordic/Shutterstock

How difficulty in identifying emotions could be affecting your weight

Aimee Pink, Swansea University; Claire Williams, Swansea University; Menna Price, Swansea University; Michelle Lee, Swansea University

New research sheds light on how identifying and describing emotions may influence eating behaviour and weight.

At the heart of Edinburgh. Shutterstock

How Victorian newspapers changed the look of British towns and cities

Andrew Hobbs, University of Central Lancashire

Buildings built for writing and reading the news altered the urban fabric.

Old flame. Petro Guliaiev

Phosphorus: 350 years after its discovery, this vital element is running out

Petr Kilian, University of St Andrews

Originally found in a bucket of urine by an alchemist searching for the elixir of life, the race is on to find a way to rescue Element 15 from permanent exile in our rivers and streams.

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