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Don’t fly east if you want to avoid jet lag says Professor David Gradwell

It’s plane as day: flying really can turn you into an airhead

Air passengers should avoid making important decisions whilst cruising at altitude, according to Britain’s first professor of aerospace medicine.

Picture of a frail Nelson Mandela in hospital. South African President Jacob Zuma said he found Nelson Mandela in good shape and in good spirits

Frail Nelson Mandela filmed in hospital

South African President Jacob Zuma said he found Nelson Mandela “in good shape and in good spirits” on Monday but a SABC video of the meeting shows Mr Mandela in an armchair, his head propped up by a pillow, his legs on a footrest and covered by a blanket.

Ueli Steck, left and Jonathan Griffith, right, were both nearly killed when a they were threatened by a mob of up to 100 angry sherpas

Treading on thin ice: Three European climbers get into fight with Sherpas near Everest summit

The team of three Europeans claim a misunderstanding between themselves and a group of Sherpas deteriorated into an ugly scene

Out of the shadows: Haroon Khan trains in Salford

Haroon Khan: Baby Khan ready to rumble but his mum can't bear to watch

Amir's younger brother is about to make his professional debut on the same card despite family opposition

Adelie Penguins navigating their way through hundreds of huge icebergs. Scientists claim they've taken a step closer to developing hydrogen as a cheap and clean energy

Science moves step closer to developing hydrogen as cheap and clean energy form

Scientists have harnessed the principles of photosynthesis to develop a new way of producing hydrogen – in a breakthrough that offers a possible solution to global energy problems.

The Ocellated Ice Fish is found at depths of up to 3,300 feet in the freezing Antarctic Ocean

Japanese aquarium shows off mysterious fish with clear blood

The deep blue sea is home to many a strange creature - giant squids, fish that look like blobs, and jellyfish that look like UFOs - but now we can add transparent-blooded fish to that list of strange-but-true animals.

Virginia Soares de Souza, former director of the ICU Evangelical Hospital

Brazilian doctor Virginia Soares de Souza could be more prolific than Harold Shipman if it is proved she killed up to 300 patients to free up beds

De Souza is accused of masterminding a “gang of death” involving several members of her medical team

Brazilian doctor Virginia Soares de Souza 'who played God' could have killed more than 300 patients to free up beds

If the death toll of more than three hundred people is correct it would implicate De Souza in one of the world's worst serial killings

Life on Mars, in Utah

As rock samples show evidence of life on the Red Planet, scientists and enthusiasts live like astronauts far closer to home,  in the harsh terrain of Utah's desert

Youth stabbed at entrance to London court

A young male was stabbed in the entrance to a court building today and a gang of youths was seen running from the scene.

Outlook brightens for Dharamsala's debut

Reports of the death of Dharamsala's one-day dream are greatly exaggerated. The final game of the series between India and England, taking place this Sunday, has been variously frozen off, snowed off, postponed, cancelled and relocated.

Only 30 mins cooking time, 15 min showers and no pork: landlord gives tenant ridiculous list of 31 rules

A tweet has gone viral after a young actress tweeted a list of ridiculous demands her potential landlord expected tenants to abide by.

Balloons, a blimp and deep sea divers all require helium

A ballooning problem: the great helium shortage

It’s used in everything from kids parties to medicine – but now supplies are running so low scientists want to ration it. Steve Connor reports on the great helium shortage

Darren Ferguson’s Peterborough could trial safe-standing terraces

Martin Hardy: Peterborough lead campaign to stand up for terracing

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'To farm I have to rape the countryside. It’s got to be wrong': The true effect of the badger cull

The true effect of the badger cull

'To farm I have to rape the countryside. It’s got to be wrong'
Theatre review: Daniel Radcliffe gives an admirably honest performance in Michael Grandage's The Cripple of Inishmaan

First night: The Cripple of Inishmaan

Daniel Radcliffe gives an admirably honest performance in Michael Grandage's comedy
Girls Guides drop religious reference but pledge to self and the Queen

Guides drop religious reference but pledge to self and the Queen

After 103 years, organisation changes oath to welcome 'all girls, of all faiths, and none'
Steve Tongue: Joe Kinnear was one of the boys and a breath of fresh air... 21 years ago

Steve Tongue

Joe Kinnear was one of the boys and a breath of fresh air... 21 years ago
Chris Froome: Free from 'pain in neck' after Bradley Wiggins' exit

Chris Froome: Free from 'pain in neck' after Wiggins' exit

Sky's lead rider says he is in fantastic form for the Tour and happy pecking order debate is over
Hannah England: I've got the right times – now to focus on the chess

Hannah England: Keeping Track

I've got the right times – now to focus on the chess
Beards, brawn and body art

Beards, brawn and body art

Meet London’s new batch of male models
Scandi-geeks descend on Nordicana for fan-convention

Scandi-geeks descend on Nordicana for fan-convention

British love of shows such as The Bridge, Borgen and The Killing shows no sign of fading
Behind the rhetoric what is really being done to combat desertification?

The Great Green Wall of Africa,

Behind the rhetoric what is really being done to combat desertification?
Laughter Inc: the cheering growth of the chuckle industry

Laughter Inc

The cheering growth of the chuckle industry
The bad science scandal: how fact-fabrication is damaging UK's global name for research

The bad science scandal

How fact-fabrication is damaging UK's global name for research
To the manor born: The female aristocrats battling to inherit the title

Female aristocrats battle to inherit the title

A passionate protest is gathering pace among the women of Britain's aristocracy, who believe that men should no longer automatically inherit the family pile and title.
Love struck: Photographs of JFK's visit to Berlin 50 years ago reveal a nation instantly smitten

In pictures: JFK's visit to Berlin in 1963

Photographer Ulrich Mack accompanied Kennedy on the entire trip. The results are an astonishing record of a watershed moment.
Eat shoots and leaves: Mark Hix gets creative with fresh peas, mangetouts and sugar snaps

Mark Hix gets creative with English peas

English peas and their offsprings, such as mangetouts and sugar snaps, are great tossed into a salad, says our chef.
Ceviche with a smile: Chef Martin Morales has turned South America's elegant cuisine into one of London's hottest food trends

Chef Martin Morales: Ceviche with a smile

Morales has turned South America's elegant cuisine into one of London's hottest food trends