Environment

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

First Penguincam, now Squidcam - and 13 other high-tech animals: BBC engineers create beasts to mimic and spy on sea creatures

Model makers and engineers working for the BBC have created a mechanical shoal disguised as 14 different types of sea creature – each capable of filming underwater.

How Britain's taste for fish and chips is putting endangered fin whales at risk

Campaigners urge UK firm to halt imports from Icelandic fishing giant with links to whalers

Dolphin spotted swimming in River Dee in Flintshire

A dolphin is being monitored by a marine rescue charity after chasing fish miles up a Welsh river and arriving into English waters.

Over 700 seals were spotted in the Thames Estuary in a count by conservationists

Seal count discovers over 700 in Thames Estuary

Over 700 seals have been counted in the Thames Estuary after the first ever count by land, air and sea.

Sunfish are seen as a delicacy in Japan, Taiwan and the Korean peninsula

The sunfish also rises in Britain – again

Survey of the nation's coastal waters reveals the first sighting this year of the giant marine animal

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:

Sea lions at Whipsnade Zoo have had problems with their eyesight

Whipsnade revamp gives its sea lions eye trouble

Safety report reveals that rises in chlorine in the pool where they perform their popular Splash show has caused deterioration in their vision

Film review: Blackfish (15)

Save the whale? After watching this documentary about the mistreatment of killer whales, you'll never mock that sentiment again. Gabriela Cowperthwaite's sobering film recounts the story of Tilikum, an orca snatched from its mother as a calf and set to work entertaining the public at SeaWorld, an aquatic theme park in Florida.

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.

Surfers look at a whale while waiting for waves at Bondi beach in Sydney. A surfer was taken to local St Vincent's Hospital after being knocked unconscious by the giant's tail flick

Having a whale of a time... till giant's tail flick sends surfers flying

It was the size of a bus, and sea-loving Bishan Rajapakse came off worst

Human-shaped figures and pendants of whale ivory strung on fine plaited coir cords. Probably presented to Lady Gordon, 1875 - 80, Fiji.

Review: Chiefs and Governors: Art and Power in Fiji, Museum of Archaeology and Anthropology, Cambridge

Necklaces made from whale ivory and fish hooks of ivory, pearl and turtle shell were part of a lavish system of gifts between Fiji’s chiefs and their first British governor in the nineteenth century.

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

An ordinary superwoman who broke the mould

Starving sea lion pups fill California rescue centres on US west coast

Hundreds of starving sea lion pups are washing up on beaches in Southern California, overwhelming rescue centres and leaving scientists scrambling to figure out why.

Dead whale found floating in the Thames Estuary 'will be examined'

A 36ft long humpback whale found dead in the Thames Estuary this morning is being examined after being brought to shore.

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

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Independent Travel
Pompeii, Capri & the Bay of Naples
Seven Cities of Italy
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Lake Garda
Minoan Crete and Santorini
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General Election 2015: Ed Miliband's unlikely journey from hapless geek to heart-throb

Miliband's unlikely journey from hapless geek to heart-throb

He was meant to be Labour's biggest handicap - but has become almost an asset
General Election 2015: A guide to the smaller parties, from the the National Health Action Party to the Church of the Militant Elvis Party

On the margins

From Militant Elvis to Women's Equality: a guide to the underdogs standing in the election
Amr Darrag: Ex-Muslim Brotherhood minister in exile still believes Egypt's military regime can be replaced with 'moderate' Islamic rule

'This is the battle of young Egypt for the future of our country'

Ex-Muslim Brotherhood minister Amr Darrag still believes the opposition can rid Egypt of its military regime and replace it with 'moderate' Islamic rule, he tells Robert Fisk
Why patients must rely less on doctors: Improving our own health is the 'blockbuster drug of the century'

Why patients must rely less on doctors

Improving our own health is the 'blockbuster drug of the century'
Sarah Lucas is the perfect artist to represent Britain at the Venice Biennale

Flesh in Venice

Sarah Lucas has filled the British pavilion at the Venice Biennale with slinky cats and casts of her female friends' private parts. It makes you proud to be a woman, says Karen Wright
11 best anti-ageing day creams

11 best anti-ageing day creams

Slow down the ageing process with one of these high-performance, hardworking anti-agers
Juventus 2 Real Madrid 1: Five things we learnt, including Iker Casillas is past it and Carlos Tevez remains effective

Juventus vs Real Madrid

Five things we learnt from the Italian's Champions League first leg win over the Spanish giants
Ashes 2015: Test series looks a lost cause for England... whoever takes over as ECB director of cricket

Ashes series looks a lost cause for England...

Whoever takes over as ECB director of cricket, says Stephen Brenkley
Fishing for votes with Nigel Farage: The Ukip leader shows how he can work an audience as he casts his line to the disaffected of Grimsby

Fishing is on Nigel Farage's mind

Ukip leader casts a line to the disaffected
Who is bombing whom in the Middle East? It's amazing they don't all hit each other

Who is bombing whom in the Middle East?

Robert Fisk untangles the countries and factions
China's influence on fashion: At the top of the game both creatively and commercially

China's influence on fashion

At the top of the game both creatively and commercially
Lord O’Donnell: Former cabinet secretary on the election and life away from the levers of power

The man known as GOD has a reputation for getting the job done

Lord O'Donnell's three principles of rule
Rainbow shades: It's all bright on the night

Rainbow shades

It's all bright on the night
'It was first time I had ever tasted chocolate. I kept a piece, and when Amsterdam was liberated, I gave it to the first Allied soldier I saw'

Bread from heaven

Dutch survivors thank RAF for World War II drop that saved millions
Britain will be 'run for the wealthy and powerful' if Tories retain power - Labour

How 'the Axe' helped Labour

UK will be 'run for the wealthy and powerful' if Tories retain power