Life and Style A double espresso after revision might be the best way of preparing for an exam, new research suggests

Scientists find first clear evidence of caffeine’s memory-boosting effect, and shown that it lasts for at least 24 hours

Joe Flacco

MVP winner Joe Flacco revels in 'unbelievable' Super Bowl XLVII victory for Baltimore Ravens

Baltimore Ravens beat the San Francisco 49ers

Baltimore’s one-club hero Ray Lewis wants to retire with a ring

American football: Controversial Ray Lewis seeks to bow out as Super Bowl XLVII champion

Quit at the top, they say. But in sport, it's the hardest thing. Bobby Jones did it. So did Rocky Marciano, while in 1973 Jackie Stewart retired from Formula One, having won his third drivers' championship, and in 2002 Pete Sampras bowed out as US Open champion. But who else? Now Ray Lewis has a chance to do likewise.

Running back Frank Gore #21 of the San Francisco 49ers celebrates with head coach Jim Harbaugh

American Football: Sibling showdown as 49ers and Ravens head for the 'Harbaugh Bowl'

Brothers Jim and John will make history when they lead out respective teams at the Super Bowl

Darcia Anthony, left, and Danielle Williams chat before their wedding at City Hall in Baltimore

A gay marriage made in Maryland

Darcia Anthony and Danielle Williams were married at City Hall in Baltimore today as Maryland became the first southern state to legalise same-sex marriage.

Dysfunction drama is right on the ball

David O Russell's psycho -comedy is a fractious, uneven affair, full of jabbering voices and clashing temperaments, and for a while I couldn't get on with it at all. Dysfunctional behaviour, however comical in tone, requires careful handling: a little of it goes a long way, and a lot of it turns an audience right off. Silver Linings Playbook takes some risks in this area, but have patience and the rewards become clear: there is a crackle to it and an off-the-wall charm you don't much encounter in the movie mainstream.

Beach House, Roundhouse, London

Dream pop duo Beach House are covered in smoke and coloured light, reduced to mere silhouettes on the stage. Victoria Legrand’s big, shaggy hair is the only discernable feature as she bobs and whispers. She is sometimes heard, sometimes obscured by Alex Scally’s rippling, dreamy guitar chords.

Hurricane Sandy churns towards
the eastern US

'Frankenstorm' could wreak $1bn in damage on US east coast

Federal and local authorities, along with utilities across the north-eastern United States, are gearing up for a visit from a Halloween weather monster dubbed the ‘Frankenstorm’ that could inflict $1bn worth of damage as it brings gale-force winds, heavy rain, costal flooding and possibly snow next week.

Album: Dan Deacon, America (Domino)

Dan Deacon isn't the only indie artist to attempt to sum up the condition of America in recent years but his personal take is as valid as any.

Michael Phelps collected the 17th Olympic gold

Phelps flies to 17th gold and makes a mockery of all the early doubts

His work here is nearly done. Michael Phelps won his 17th gold medal, and last individual, last night with a swim that characterised every detail that has made him an Olympian like no other.

August 2, 2012: Michael Phelps beats his old rival Milorad Cavic at the London Olympics to book his place in the semi-finals of the men's 100 metres butterfly

Michael Phelps books place in 100 metres butterfly semi-finals

Michael Phelps again outshone Milorad Cavic as the pair renewed their rivalry in the 100 metres butterfly.

Ryan Lochte has something to smile about after winning the 400m individual swimming medley

Ryan Lochte brushes past Michael Phelps in swimming showdown

Ryan Lochte deposed Michael Phelps as the Olympic 400 metres individual medley champion as he secured a dominant victory at the Aquatics Centre.

One Minute With: Laura Lippman, detective fiction writer

Where are you now and what can you see?

Temperatures across US cool after heatwave kills dozens

The heat that blanketed much of the US and left at least 46 people dead will begin easing up this week as temperatures approach normal from the Midwest to the East Coast.

At least 18 dead as US storms leave millions without power

Millions of people in a swath of states along the US East Coast and farther west went into a third sweltering day without power today after a round of summer storms that killed more than a dozen people.

How to do it right when it all goes wrong

Testing, testing... Hello?? The speakers are silent. Elisa Bray on the gigs that didn't quite go to plan, brilliantly
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Scottish referendum: The Yes vote was the love that dared speak its name, but it was not to be

Despite the result, this is the end of the status quo

Boyd Tonkin on the fall-out from the Scottish referendum
Manolo Blahnik: The high priest of heels talks flats, Englishness, and why he loves Mary Beard

Manolo Blahnik: Flats, Englishness, and Mary Beard

The shoe designer who has been dubbed 'the patron saint of the stiletto'
The Beatles biographer reveals exclusive original manuscripts of some of the best pop songs ever written

Scrambled eggs and LSD

Behind The Beatles' lyrics - thanks to Hunter Davis's original manuscript copies
'Normcore' fashion: Blending in is the new standing out in latest catwalk non-trend

'Normcore': Blending in is the new standing out

Just when fashion was in grave danger of running out of trends, it only went and invented the non-trend. Rebecca Gonsalves investigates
Dance’s new leading ladies fight back: How female vocalists are now writing their own hits

New leading ladies of dance fight back

How female vocalists are now writing their own hits
Mystery of the Ground Zero wedding photo

A shot in the dark

Mystery of the wedding photo from Ground Zero
His life, the universe and everything

His life, the universe and everything

New biography sheds light on comic genius of Douglas Adams
Save us from small screen superheroes

Save us from small screen superheroes

Shows like Agents of S.H.I.E.L.D are little more than marketing tools
Reach for the skies

Reach for the skies

From pools to football pitches, rooftop living is looking up
These are the 12 best hotel spas in the UK

12 best hotel spas in the UK

Some hotels go all out on facilities; others stand out for the sheer quality of treatments
These Iranian-controlled Shia militias used to specialise in killing American soldiers. Now they are fighting Isis, backed up by US airstrikes

Widespread fear of Isis is producing strange bedfellows

Iranian-controlled Shia militias that used to kill American soldiers are now fighting Isis, helped by US airstrikes
Topshop goes part Athena poster, part last spring Prada

Topshop goes part Athena poster, part last spring Prada

Shoppers don't come to Topshop for the unique
How to make a Lego masterpiece

How to make a Lego masterpiece

Toy breaks out of the nursery and heads for the gallery
Meet the ‘Endies’ – city dwellers who are too poor to have fun

Meet the ‘Endies’ – city dwellers who are too poor to have fun

Urbanites are cursed with an acronym pointing to Employed but No Disposable Income or Savings
Paisley’s decision to make peace with IRA enemies might remind the Arabs of Sadat

Ian Paisley’s decision to make peace with his IRA enemies

His Save Ulster from Sodomy campaign would surely have been supported by many a Sunni imam