Sport Seattle, led by Russell Wilson, are favourites to win next month's Super Bowl

For devotees of the NFL, this is as good as it gets – the divisional round of the play-offs, four games pitting the regular season’s finest against four challengers already battle-hardened by victory in last weekend’s ever-treacherous wild-card round. And in 2014 there’s an extra twist: the prospect that one of the longest, most painful droughts in US sport might be near an end.

The hundreds of illegal waste disposal sites near Naples are known as the Triangle of Death

Mafia finds new way to kill as waste trade is linked to cancer

The potential cost of the Mafia's booming trade in illegal rubbish disposal has been highlighted by a new study which claims that women in the Naples area are almost 50 per cent more likely to develop breast cancer than their compatriots.

David Haye on his way to victory over Dereck Chisor

James Lawton: Disabling left hook left Briton with little but heart

Last time it was The Man in the Hat who was said to have helped derail Amir Khan's journey towards a super-fight with Floyd Mayweather or Manny Pacquiao. This time there was no doubt about how reality was imposed. Sadly, but maybe inevitably, it was by nothing more ornate than a disabling left hook thrown by the ill-considered Danny Garcia.

Philadelphia's Rodin Museum reopens after $9bn redevelopment

The Rodin Museum, in Philadelphia, a little jewel box of a building surrounded by formal gardens and showcasing the French artist's monumental sculptures, had by most accounts lost a certain je ne sais quoi in the 83 years since it was built.

Album: R. Kelly, Write Me Back (RCA)

A soul survivor who still has the power to seduce

Jeremy Laurance: The best defence against Legionnaires is vigilance

The citizens of Edinburgh are understandably worried. A lethal infection has swept through an area in the south west of the city claiming one life and infecting 20 others, 12 of whom are critically ill. More cases are expected before the outbreak peaks. It is a scenario out of the Hollywood blockbuster Contagion.

Humans 'can smell people's age'

Forget the botox and hair dye - people can smell your age, a study has shown.

Invisible Ink: No 119 - Donald Ogden Stewart

'The prettiest sight in this fine pretty world is the privileged class enjoying its privileges." For Don Stewart, this was a sardonic line of dialogue that came from the heart. Hailing from Columbus, Ohio, Stewart graduated from Yale and went to work for Vanity Fair magazine. His first novel, The Crazy Fool, was a hit, and he adapted the book as a film, gaining a lifelong love of cinema.

Two slices of Albert Einstein's brain and a model, above, are displayed at the Wellcome Trust's 'Brains: The Mind As Matter' exhibition

Brush with genius: Einstein's brain cells go on show

Part of the brain of Albert Einstein, the scientist considered one the most striking intellects in human history, is going on display for the first time in the UK.

Albert Einstein's brain to go on display

Dr Albert Einstein's brain is going on display for the first time in the UK - with that of an infamous murderer.

Start spreading the news, cheese and chocolate don't mix

Would you? Could you? Nigella Lawson's a fan, Jennifer Saunders fronted the online ad campaign but we're not convinced. Chocolate-flavoured Philadelphia? Surely that's the devil's dairy product.

Album: We Are Augustines, Rise Ye Sunken Ships (Oxcart)

Brooklyn trio We Are Augustines' debut album sounds like it's been pieced together with spare parts from various other big indie-rock bands.

The Saturday Quiz

1. The most populous country in the world where French is the official language is not France. Which country is it?

Coyle is on the brink, having taken just nine points from 16 games

Bolton take MLS striker Sebastian Le Toux on trial

Bolton manager Owen Coyle has confirmed striker Sebastian Le Toux has joined the club for a week's training.

In London before taking on Henry Cooper in 1963

Boxing: The Meaning Of Ali

As the world's greatest boxer turns 70, James Lawton considers his life and times with the help of Gene Kilroy, the man who shared them more closely than any

Eve Arnold: Photojournalist famed for her intimate portraits of Monroe and Malcolm X

My photographs," wrote Eve Arnold in 1978, "are, of necessity, subjective – filtered through my background and education, my prejudices, and the limitations imposed by chance and the time in which I lived."

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Revealed: Why Mohammed Emwazi chose the 'safe option' of fighting for Isis, rather than following his friends to al-Shabaab in Somalia

Why Mohammed Emwazi chose Isis

His friends were betrayed and killed by al-Shabaab
'The solution can never be to impassively watch on while desperate people drown'
An open letter to David Cameron: Building fortress Europe has had deadly results

Open letter to David Cameron

Building the walls of fortress Europe has had deadly results
Tory candidates' tweets not as 'spontaneous' as they seem - you don't say!

You don't say!

Tory candidates' election tweets not as 'spontaneous' as they appear
Mubi: Netflix for people who want to stop just watching trash

So what is Mubi?

Netflix for people who want to stop just watching trash all the time
The impossible job: how to follow Kevin Spacey?

The hardest job in theatre?

How to follow Kevin Spacey
Armenian genocide: To continue to deny the truth of this mass human cruelty is close to a criminal lie

Armenian genocide and the 'good Turks'

To continue to deny the truth of this mass human cruelty is close to a criminal lie
Lou Reed: The truth about the singer's upbringing beyond the biographers' and memoirists' myths

'Lou needed care, but what he got was ECT'

The truth about the singer's upbringing beyond
Migrant boat disaster: This human tragedy has been brewing for four years and EU states can't say they were not warned

This human tragedy has been brewing for years

EU states can't say they were not warned
Women's sportswear: From tackling a marathon to a jog in the park, the right kit can help

Women's sportswear

From tackling a marathon to a jog in the park, the right kit can help
Hillary Clinton's outfits will be as important as her policies in her presidential bid

Clinton's clothes

Like it or not, her outfits will be as important as her policies
NHS struggling to monitor the safety and efficacy of its services outsourced to private providers

Who's monitoring the outsourced NHS services?

A report finds that private firms are not being properly assessed for their quality of care
Zac Goldsmith: 'I'll trigger a by-election over Heathrow'

Zac Goldsmith: 'I'll trigger a by-election over Heathrow'

The Tory MP said he did not want to stand again unless his party's manifesto ruled out a third runway. But he's doing so. Watch this space
How do Greek voters feel about Syriza's backtracking on its anti-austerity pledge?

How do Greeks feel about Syriza?

Five voters from different backgrounds tell us what they expect from Syriza's charismatic leader Alexis Tsipras
From Iraq to Libya and Syria: The wars that come back to haunt us

The wars that come back to haunt us

David Cameron should not escape blame for his role in conflicts that are still raging, argues Patrick Cockburn
Sam Baker and Lauren Laverne: Too busy to surf? Head to The Pool

Too busy to surf? Head to The Pool

A new website is trying to declutter the internet to help busy women. Holly Williams meets the founders