Environment

Scientists say a group living in the Araguaia River, Brazil has been isolated from other varieties for more than two million years

Indyplus video: Dolphins' research

According to remarkable research, dolphins can remember the sound of their loved ones whistles for 20 years, showing they may have a longer 'social memory' than even humans. The mammal has proved to be a uniquely clever specie. Watch videos of some other researches of the friendly sea animal:

The News Matrix: Tuesday 23 July 2013

Seas take the heat for global warming

A £2,000 reward has been offered to trace suspects who killed a young dolphin in a hit-and-run boating incident

£2,000 reward offered in hunt for bottlenose dolphin killer in Cornwall's Camel estuary

A £2,000 reward has been offered to trace suspects who killed a young dolphin in a hit-and-run boating incident.

The Fashion Audit: Go girl, Save The Dolphin, and Engrave name here...

What we love, we're not sure about, we're buying and can't wait for...

Book review: The Sea Inside, By Philip Hoare

A circumnavigation of waters both tidal and metaphorical makes for a wondrous read

The Welsh lock (left) faces stiff competition for a test place

Ian Evans: We have to go out fully armed and take our shot

Forget minnow opponents – for several of today's Lions it's their last real chance to impress Gatland and earn Test place

Wayne Coyne of Flaming Lips in concert, The Roundhouse, London

Music review: The Flaming Lips, The Roundhouse, London

"I feel a whole lot better," maintains a hoarse Wayne Coyne, apologising for being too ill to play the previous day's cancelled concert before informing us that "being sick is pretty petty" compared to the tornado disaster in Oklahoma, his home state. It is. He goes on to admit that "this is kind of a ridiculous event". It's certainly an odd event.

The Ballad of Halo Jones, By Alan Moore and Ian Gibson

An ordinary superwoman who broke the mould

Letterhead: Nicholas Hilliard’s miniature of Elizabeth I ‘limned’ on parchment

Exhibition review: Treasures of the Royal Courts - Tudors, Stuarts and the Russian Tsars

Ingenious use for an unwanted royal tribute – offload it on a passing tsar

Ukrainian navy loses three 'killer' dolphins

The navy has reportedly lost three of its carefully trained “killer” dolphins. The defence ministry has denied the reports and refused to confirm that its navy uses dolphins, but the loss has been widely reported in the country, and former naval officers said dolphins often went missing during exercises to look for mates.

A year on, wreck of the Costa Concordia still threatens Tuscan coast

More time and money will be needed to remove the Costa Concordia from the rocks off Tuscany where it capsized last year, in part to ensure the toxic materials still trapped inside don't leak into the surrounding marine sanctuary when it is righted, officials said yesterday.

The Griffon vulture was fitted with a GPS transmitter

Meet operative PP0277: A secret agent – or just a vulture hungry for dead camel?

Sudan says he's an Israeli operative – but his handlers say he's too easily distracted for that. Matthew Kalman reports on a spy thriller

Dolphins like Spetz, who have been helping the US navy find mines, will be 'reassigned' as they will be replaced by robots

Robots to replace Navy's mine-hunting dolphins

Some dolphins used by the US Navy to track down mines will soon lose their jobs to robots – but they will be reassigned, not retired.

Portfolio: Brock Davis

It began with a banana. In an effort to entertain his two children at breakfast one day, the graphic-designer-cum-photographer Brock Davis put the brain that has carried him through 17 years of creative thinking in the advertising industry into gear, and fashioned a section of the peel into a hat for the banana to wear. Cue delighted children – and a delightful new project for the man from Minneapolis to play with.

Billie the dolphin: Dolphins can learn and teach new skills, as a female named Billie showed in the 1980s. Having been taken into an Australian recovery centre after falling ill, she saw her colleagues tail-walking, and on her release introduced the art into the wild by teaching other dolphins

Dolphins: ‘the rapists of the sea’

Telegraph blogger Tim Stanley, a conservative historian of the US, has taken issue with the American Catholic college Fordham University over their decision to include bioethics professor Peter Singer in a panel discussion. Especially since Fordham "effectively barred the conservative, pro-life pundit Ann Coulter from speaking on campus" - a woman who is, presumably, more to Stanley's tastes.

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Homeless Veterans Christmas Appeal: ‘We give them hope. They come to us when no one else can help’

Christmas Appeal

Meet the charity giving homeless veterans hope – and who they turn to when no one else can help
Should doctors and patients learn to plan humane, happier endings rather than trying to prolong life?

Is it always right to try to prolong life?

Most of us would prefer to die in our own beds, with our families beside us. But, as a GP, Margaret McCartney sees too many end their days in a medicalised battle
Thomas Cook's outgoing boss Harriet Green got by on four hours sleep a night - is that what it takes for women to get to the top?

What does it take for women to get to the top?

Thomas Cook's outgoing boss Harriet Green got by on four hours sleep a night and told women they had to do more if they wanted to get on
Christmas jumper craze: Inside the UK factory behind this year's multicultural must-have

Knitting pretty: British Christmas Jumpers

Simmy Richman visits Jack Masters, the company behind this year's multicultural must-have
French chefs have launched a campaign to end violence in kitchens - should British restaurants follow suit?

French chefs campaign against bullying

A group of top chefs signed a manifesto against violence in kitchens following the sacking of a chef at a Paris restaurant for scalding his kitchen assistant with a white-hot spoon
Radio 4 to broadcast 10-hour War and Peace on New Year's Day as Controller warns of cuts

Just what you need on a New Year hangover...

Radio 4 to broadcast 10-hour adaptation of War and Peace on first day of 2015
Cuba set to stage its first US musical in 50 years

Cuba to stage first US musical in 50 years

Claire Allfree finds out if the new production of Rent will hit the right note in Havana
Christmas 2014: 10 best educational toys

Learn and play: 10 best educational toys

Of course you want them to have fun, but even better if they can learn at the same time
Paul Scholes column: I like Brendan Rodgers as a manager but Liverpool seem to be going backwards not forwards this season

Paul Scholes column

I like Brendan Rodgers as a manager but Liverpool seem to be going backwards not forwards this season
Lewis Moody column: Stuart Lancaster has made all the right calls – now England must deliver

Lewis Moody: Lancaster has made all the right calls – now England must deliver

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Cameron, Miliband and Clegg join forces for Homeless Veterans campaign

Cameron, Miliband and Clegg join forces for Homeless Veterans campaign

It's in all our interests to look after servicemen and women who fall on hard times, say party leaders
Millionaire Sol Campbell wades into wealthy backlash against Labour's mansion tax

Sol Campbell cries foul at Labour's mansion tax

The former England defender joins Myleene Klass, Griff Rhys Jones and Melvyn Bragg in criticising proposals
Nicolas Sarkozy returns: The ex-President is preparing to fight for the leadership of France's main opposition party – but will he win big enough?

Sarkozy returns

The ex-President is preparing to fight for the leadership of France's main opposition party – but will he win big enough?
Is the criticism of Ed Miliband a coded form of anti-Semitism?

Is the criticism of Miliband anti-Semitic?

Attacks on the Labour leader have coalesced around a sense that he is different, weird, a man apart. But is the criticism more sinister?
Ouija boards are the must-have gift this Christmas, fuelled by a schlock horror film

Ouija boards are the must-have festive gift

Simon Usborne explores the appeal - and mysteries - of a century-old parlour game