News A pedestrian makes their way along a snow packed street in Indianapolis

Much of the United States is currently in the grip of a polar vortex, a system of dense air producing plummeting temperatures and swathes of freezing weather, bringing some parts of the country to a halt and causing chaos in others.

Steve Connor: Bets still on for ice-free North Pole

Science Notebook

Medvedev: Russia needs to mark its Arctic territory

Russia should pass a law marking its territory in the disputed Arctic where it claims a large share of the mineral resources, Russian President Dmitry Medvedev said today.

For the first time in human history, the North Pole can be circumnavigated

Melting ice opens up North-west and North-east passages simultaneously. Scientists warn Arctic icecap is entering a 'death spiral'

Russians dive to bottom of world's deepest lake

Russian explorers plunged to the bottom of the world's deepest lake today in a show of Moscow's resurgent ambitions to set new records in science.

Exclusive: Scientists warn that there may be no ice at North Pole this summer

Polar scientists reveal dramatic new evidence of climate change

Fram, National Theatre, London

A translator of Greek tragedies, a classical actress, and an explorer who almost reached the North Pole are the unlikely leads of a verse drama that travels through time and space, pitting fact against fiction, individualism against international cooperation. Tony Harrison's play, which he has directed with set designer Bob Crowley, doesn't so much debate the issues as bang a lot of assertions together and shower us with the sparks, but its vigour and nutty novelty are good value at a higher price than the £10 Travelex ticket.

Tom Avery: My Life In Travel

'The Scottish Highlands in February is a real adventure playground'

Race for the Arctic

An international 'cold war' has begun over who owns the rapidly unfreezing wastes of the far north and what is thought to be its treasure of natural resources. Daniel Howden and Ben Holst report

In the Lapp of luxury

Up above the Arctic Circle, Sankha Guha and his family enjoy snowmobiling, reindeer safaris, skiing and a sumptuous resort in Finland

David Hempleman-Adams: Fear, failure and my flight to the North Pole in a hot air balloon

From the Royal Society of Arts Prince Philip Lecture by the British explorer, given in London

Poles apart: the MBA on top of the world

Adam Levy's time at INSEAD helped to prepare him for a trek to the North Pole, says Hilary Wilce
Latest stories from i100
SPONSORED FEATURES
Career Services

Day In a Page

A
Independent Travel
Pompeii, Capri & the Bay of Naples
Seven Cities of Italy
Burgundy, the River Rhone & Provence
Prague, Budapest and Vienna
Lake Garda
Minoan Crete and Santorini
Prices correct as of 15 May 2015
A nap a day could save your life - and here's why

A nap a day could save your life

A midday nap is 'associated with reduced blood pressure'
If men are so obsessed by sex, why do they clam up when confronted with the grisly realities?

If men are so obsessed by sex...

...why do they clam up when confronted with the grisly realities?
The comedy titans of Avalon on their attempt to save BBC3

Jon Thoday and Richard Allen-Turner

The comedy titans of Avalon on their attempt to save BBC3
The bathing machine is back... but with a difference

Rolling in the deep

The bathing machine is back but with a difference
Part-privatised tests, new age limits, driverless cars: Tories plot motoring revolution

Conservatives plot a motoring revolution

Draft report reveals biggest reform to regulations since driving test introduced in 1935
The Silk Roads that trace civilisation: Long before the West rose to power, Asian pathways were connecting peoples and places

The Silk Roads that trace civilisation

Long before the West rose to power, Asian pathways were connecting peoples and places
House of Lords: Outcry as donors, fixers and MPs caught up in expenses scandal are ennobled

The honours that shame Britain

Outcry as donors, fixers and MPs caught up in expenses scandal are ennobled
When it comes to street harassment, we need to talk about race

'When it comes to street harassment, we need to talk about race'

Why are black men living the stereotypes and why are we letting them get away with it?
International Tap Festival: Forget Fred Astaire and Ginger Rogers - this dancing is improvised, spontaneous and rhythmic

International Tap Festival comes to the UK

Forget Fred Astaire and Ginger Rogers - this dancing is improvised, spontaneous and rhythmic
War with Isis: Is Turkey's buffer zone in Syria a matter of self-defence – or just anti-Kurd?

Turkey's buffer zone in Syria: self-defence – or just anti-Kurd?

Ankara accused of exacerbating racial division by allowing Turkmen minority to cross the border
Doris Lessing: Acclaimed novelist was kept under MI5 observation for 18 years, newly released papers show

'A subversive brothel keeper and Communist'

Acclaimed novelist Doris Lessing was kept under MI5 observation for 18 years, newly released papers show
Big Blue Live: BBC's Springwatch offshoot swaps back gardens for California's Monterey Bay

BBC heads to the Californian coast

The Big Blue Live crew is preparing for the first of three episodes on Sunday night, filming from boats, planes and an aquarium studio
Austin Bidwell: The Victorian fraudster who shook the Bank of England with the most daring forgery the world had known

Victorian fraudster who shook the Bank of England

Conman Austin Bidwell. was a heartless cad who carried out the most daring forgery the world had known
Car hacking scandal: Security designed to stop thieves hot-wiring almost every modern motor has been cracked

Car hacking scandal

Security designed to stop thieves hot-wiring almost every modern motor has been cracked
10 best placemats

Take your seat: 10 best placemats

Protect your table and dine in style with a bold new accessory