News Duccini, right, at the 75th anniversary celebrations of 'The Wizard of Oz'

Ruth Duccini was the last of the original female Munchkins from The Wizard of Oz. Uncredited, Duccini, who was four feet tall, played one of 124 Munchkin townspeople in the 1939 classic. There is now only one surviving Munchkin, Jerry Maren.

Ice forms on the shore of the East River due to unusually low temperatures caused by a polar vortex in New York

Polar vortex: frost throwers, freezing urine, cracking trampolines

All 50 US states are below freezing as the polar vortex sworls around North America, shattering temperature records and causing a collective shudder across the continent.

US braced for record low temperatures as 'polar vortex' brings minus -51C wind chill

Extreme forecast in America with -31 Celsius in Fargo, North Dakota, -35 C in International Falls, Minnesota, and -26 C in Indianapolis and Chicago

Sex doesn't sell? This study into women's response to raunchy advertising starts wrong and gets worse

The conclusion that women use sex as a bargaining tool is wildly outdated

Serge Vorobyov said he used his last $1000 to fund the stunt

Man throws $1000 over shoppers to spread holiday cheer, gets arrested by police

Serge Vorobyov threw the cash from the top floor of a US mall on Black Friday as a choir sang ‘Let it Snow’

Happiness can be bought, apparently, but only to a point

Experts confirm that money does buy happiness – but only up to £22,100

It is widely accepted that money can’t buy you love. Now a new study has found that it can buy you happiness – but only up to a point.

Veteran Vikings quarterback Matt Cassel, right, shone on his comeback game

American Football: Peterson helps Minnesota Vikings paint Wembley purple in win over Pittsburgh Steelers

Adopted home side for the week get off the mark with thrilling win in first of two London games this season

Kenya Shopping mall attack: ‘Deadly pipeline’ of US men leaving for Somalia to join al-Shabaab

Since 2007, 22 young men have left Minnesota, as well as two women

Nina Davuluri - the first Miss America winner from Indian background - dismisses barrage of racist abuse

Just minutes after the result racist comments began to appear on social networking sites

A Boeing 787 Dreamliner operated by United Airlines

United Airlines sells 'free' $0 tickets on their website

Customers wait to find out if the airline will honour the purchased tickets after a glitch on their site

Last Night's Viewing: The Men Who Made Us Thin, BBC2 The Field of Blood, BBC1

In 1943, Louis Dublin, the chief actuary for US insurance giants Metropolitan Life, published a series of charts that changed the world. Dublin used data from four million policyholders to ascertain the optimal weight for long life. Overnight, more than half the population of America was reclassified as overweight. The Men Who Made Us Thin, Jacques Peretti's engaging follow-up to last year's The Man Who Made Us Fat, was full of such stories about the arbitrary nature of weight and the weight-loss industry.

Pirsig: A survival guide for the soul

Invisible Ink: No 173 - Robert M Pirsig

In the roll-call of student summer reading certain volumes stand out, including Desmond Morris's body language phenomenon The Naked Ape and Richard Bach's Jonathan Livingston Seagull. To those can be added a volume by Robert M Pirsig that snuggled its way into every hitchhiker's hand-crocheted body satchel. Unlike Bach, whose books were like being hit with a wiffle bat full of pot-pourri, Pirsig is the real deal. Born in 1928, this precocious university student was eventually expelled for studying too hard, after growing bewildered by the choice of multiple hypotheses in his chosen field, biochemistry. Overwhelmed by the limitations of science, he tackled Eastern philosophy instead, spending time in India before returning to a US college.

Walking while I work has been a big step forward

Yes, the head of an august science institution and senior BBC science journalist have almost fallen off it. Yes, it does tend to raise eyebrows when people see it in my office. But it is gratifying to hear that my treadmill desk is not only helping me to keep trim but also reducing my risk of diabetes.

Max Kampelman addresses a Senate Armed Services Committee hearing

Max M Kampelman: Diplomat who negotiated with the Soviet Union on nuclear arms reduction

He worked for Republicans and Democrats at the same time – a situation now unthinkable

The Saturday Quiz

1. Which philosopher (1889-1951) said: "Whereof one cannot speak, thereof one must be silent"?

Unilever sells Skippy peanut butter brand for $700m

Hormel Foods has agreed to acquire the US peanut butter brand Skippy from Anglo–Dutch consumer goods giant Unilever for $700m in cash, in an attempt to capitalise on rising overseas demand for the spread.

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Prices correct as of 17 April 2015
General Election 2015: Chuka Umunna on the benefits of immigration, humility – and his leader Ed Miliband

Chuka Umunna: A virus of racism runs through Ukip

The shadow business secretary on the benefits of immigration, humility – and his leader Ed Miliband
Yemen crisis: This exotic war will soon become Europe's problem

Yemen's exotic war will soon affect Europe

Terrorism and boatloads of desperate migrants will be the outcome of the Saudi air campaign, says Patrick Cockburn
Marginal Streets project aims to document voters in the run-up to the General Election

Marginal Streets project documents voters

Independent photographers Joseph Fox and Orlando Gili are uploading two portraits of constituents to their website for each day of the campaign
Game of Thrones: Visit the real-life kingdom of Westeros to see where violent history ends and telly tourism begins

The real-life kingdom of Westeros

Is there something a little uncomfortable about Game of Thrones shooting in Northern Ireland?
How to survive a social-media mauling, by the tough women of Twitter

How to survive a Twitter mauling

Mary Beard, Caroline Criado-Perez, Louise Mensch, Bunny La Roche and Courtney Barrasford reveal how to trounce the trolls
Gallipoli centenary: At dawn, the young remember the young who perished in one of the First World War's bloodiest battles

At dawn, the young remember the young

A century ago, soldiers of the Empire – many no more than boys – spilt on to Gallipoli’s beaches. On this 100th Anzac Day, there are personal, poetic tributes to their sacrifice
Dissent is slowly building against the billions spent on presidential campaigns – even among politicians themselves

Follow the money as never before

Dissent is slowly building against the billions spent on presidential campaigns – even among politicians themselves, reports Rupert Cornwell
Samuel West interview: The actor and director on austerity, unionisation, and not mentioning his famous parents

Samuel West interview

The actor and director on austerity, unionisation, and not mentioning his famous parents
General Election 2015: Imagine if the leading political parties were fashion labels

Imagine if the leading political parties were fashion labels

Fashion editor, Alexander Fury, on what the leaders' appearances tell us about them
Phumzile Mlambo-Ngcuka: Home can be the unsafest place for women

Phumzile Mlambo-Ngcuka: Home can be the unsafest place for women

The architect of the HeForShe movement and head of UN Women on the world's failure to combat domestic violence
Public relations as 'art'? Surely not

Confessions of a former PR man

The 'art' of public relations is being celebrated by the V&A museum, triggering some happy memories for DJ Taylor
Bill Granger recipes: Our chef succumbs to his sugar cravings with super-luxurious sweet treats

Bill Granger's luxurious sweet treats

Our chef loves to stop for 30 minutes to catch up on the day's gossip, while nibbling on something sweet
London Marathon 2015: Paula Radcliffe and the mother of all goodbyes

The mother of all goodbyes

Paula Radcliffe's farewell to the London Marathon will be a family affair
Everton vs Manchester United: Steven Naismith demands 'better' if Toffees are to upset the odds against United

Steven Naismith: 'We know we must do better'

The Everton forward explains the reasons behind club's decline this season
Arsenal vs Chelsea: Praise to Arsene Wenger for having the courage of his convictions

Michael Calvin's Last Word

Praise to Wenger for having the courage of his convictions