Violent volcanic eruptions 'caused largest ever mass extinction' 250million years ago

The coal-ash particle on the left is from the latest Permian extinction boundary at Buchanan Lake. Nunavut, the particle on the right is from a modern power plant

Food prices to rocket by 50% as global hunger epidemic takes hold, government doomsday report warns

Food crisis: The report says scaremongering over GM farming is no longer acceptable

A 'perfect storm' of issues will force widespread starvation if mankind doesn't overcome its fear of GM crops, the government's top science adviser warned today.

We ARE alone: Despite discovering more planets, the chances of finding ET are unlikely, says astronomer

The Earth alone in the universe

A leading astronomer has concluded there probably aren’t any aliens out there – meaning we are entirely alone in the universe.

British scientists to blast High Street mobile into orbit to see if phone technology can be used in spacecraft

Long range: Scientists will blast a High Street mobile phone that runs on Google's Android operating system into space later this year. It will be attached to this almost-completed satellite device

Scientists at Surrey Satellite Technology Limited (SSTL) and Surrey Space Centre (SSC) want to find out if a sophisticated smartphone can function outside Earth's atmosphere.

Online backlash: Facebook and Twitter 'make us less human and isolate us from the real world'

Are you talking to me? Communicating by text or on social network sites is under fire from academics in America

A leading academic claims that the technology is threatening to dominate our lives, making us more isolated and ‘less human’.

Canterbury street holds unwanted record of slowest broadband speed... where a film takes TWO DAYS to download

Frustration: Internet users in Railway Hill will have to wait 48 hours for a film to download

Railway Hill, a street in the south coast city, holds the unwanted record of having the slowest broadband speed in the country, according to a study.

Mother-of-two wins Apple prize for downloading 10billionth app (... for a free game accessed by her daughters)

Rise of the app: In January 2010, there were 3 billion downloads. This year the figure has leapt to 140 billion

Gail Davis scooped the prize of a $10,000 (£6,250) iTunes gift card as the the winner of Apple's Countdown to 10 Billion Apps competition.

Google goes on the attack: Larry Page to take over as CEO in shock move as company faces Facebook threat

Larry Page, left, has taken over from Eric Schmidt, right, as CEO of Google

Google's co-founder Larry Page will take over as CEO from Eric Schmidt, a surprise move to make company more nimble as competition with rivals heats up.

Scientists find the kilo isn't pulling its weight: Metal standard has got lighter

Weight off: The cylinder of platinum-iridium alloy may have shed around 50 micrograms, the equivalent to the mass of a small grain of sand

Measurements taken over the past 100 years show that the international prototype – the metal object on which the scientific unit of mass is based – has got lighter.

Mission to Mars simulation astronauts ready to 'land' on the Red Planet after 233 days

Two researchers test spacesuits on a simulated Mars surface

The all-male crew of three Russians, a Chinese, a Frenchman and an Italian-Colombian has been inside capsules at a Moscow research centre since June.

Dark matter: Deep in a mine on the edge of the North Yorkshire moors, a British-led team is trying to solve the biggest mystery in the universe

Search for dark matter

These two men aren't miners: they're astroparticle physicists. They're looking for dark matter. They've got until March to find it, and if they do, our world will never be the same again.

A moon in the ring shadows of Saturn and a Martian sunset: The coolest pictures of our solar system taken from space

Good night Mars: The Sun sets on the Red Planet in an image captured in 2005 by the Nasa roving vehicle Spirit, once of a series of outstanding images released by the Royal Observatory

The stunning and inspiring images reveal the secrets of our solar system and were all taken by space probes launched by Nasa and the European Space Agency in the past five years.

Prairie dogs have a language all of their own and 'can describe what humans look like'

Prairie dogs

The prairie dog's barks, yips and chirping sounds are really a sophisticated form of communication that contains a vocabulary of at least 100 words, researchers claim.

Coming at you in 3D: Legendary filmmaker Werner Herzog brings paleolithic cave to life

Brought to life: The Chauvet-Pont-d'Arc cave in southern France is now the subject of a 3D documentary by filmmaker Werner Herzog called Cave Of Forgotten Dreams

The city of the future: It's a story of camels, penguins and cars you don't drive, by NORMAN FOSTER

Norman Foster / Masdar City

Masdar City, located between Abu Dhabi Airport and Abu Dhabi in the UAE, is a template for a vision of a new kind of city.

Earth 'to get second sun' as supernova turns night into day

Cosmic phenomenon: The earth could soon have two suns when one of the brightest stars in the night sky explodes into a supernova

Earth will undoubtedly have a front row seat when the dying red supergiant star Betelgeuse finally blows itself into oblivion.

Rare thundersnow phenomenon leaves a weatherman amazed... and becomes a YouTube sensation

Lightning strikes: Weatherman Jim Cantore is unable to contain himself when confronted by thundersnow during a live broadcast

Jim Cantore from the Weather Channel becomes slack-jawed with amazement when he experienced the phenomenon, which is when thunder and lightning strike during a snowstorm.

Save our forests! Dame Judi Dench and Annie Lennox join campaign to stop Government selling off woodland

Dame Judi Dench and Annie Lennox

Almost 90 prominent figures, including the Archbishop of Canterbury, have signed a letter claiming that such a sale would be 'misjudged and short-sighted'.

China used downed U.S. fighter to develop first stealth jet

Lift-off: China's J-20 stealth plane has made a successful test flight

Officials say it is likely the Chinese were able to develop the stealth technology from parts of an American F-117 Nighthawk that was shot down over Serbia in 1999.

Chameleon creatures: Amazing photos of a well-hidden Orchid Mantis and other camouflaged pretenders

A Malaysian Orchid Mantis blends into the plant while it waits to ambush its insect prey. Photographer Alex Hyde took this picture in his Derbyshire studio

Alex Hyde, 27, captured the chameleon creatures in the rainforests of Madagascar - and even in his own garden in Nottinghamshire.

Remote cholesterol: How TV dinners leave you hungry for a late night snack

Calories: Eating while watching TV might be relaxing but researchers claim it can cause hunger later on when the body 'forgets' that it's full

It is thought that being able to remember what we have eaten is key to feeling full. And if distractions stop us from forming those memories, we eat more later on.

Remote control guide dogs to sniff out bombs and drugs: The amazing innovation that could turn search canines into 'super dogs'

Remote control guide dogs

Search dogs are adept at following their nose but could now be even more useful thanks to a GPS backpack that allows police to guide them through risky situations.

We have lift off... just: Massive 235ft rocket carrying a secret spy satellite replacement blasts off from California

Delta IV Heavy rocket rises from the launch pad during its first unmanned launch at Vandenberg Air Force Base, California

The 235ft-tall Delta IV Heavy Launch Vehicle lifted off at 1.10pm local time yesterday with a classified U.S. government defence satellite on board.

Screwed? Yes we are... iPhone fits device with fixings that are almost impossible for you to remove

Apple is currently using a similar fixing on the outer case of the current MacBook Air

The five-pointed 'pentalobular' screws, which pretty much no one apart from their engineers has the screwdriver for, are to be fitted to all new iPhones.

Why the pen is mightier than the keyboard: Children who write by hand 'learn better than those who type'

Dying art: Writing with a pen involves more of our senses than typing on a keyboard, according to research

Something is apparently lost in the brain process when switching from pen and book to computer screen and keyboard, according to a new study.

Is this the strangest plane ever developed by Nasa? The pivoting 'scissor' wing which doomed the AD-1 to stay grounded

The AD-1 Oblique Wing Research Aircraft

Galileo satellite system will cost Europe an extra £1.6 BILLION to become fully operational

An artist's impression of a Galileo satellite in orbit. Thirty satellites are required to make the system fully operational

The money is needed to make the system of 30 satellites operational by 2014, the European Commission said last night.

2010 was 'second warmest year' since records began in 1850

What a scorcher: On average, temperatures across the globe were 0.69 degrees warmer than the average last year

According to the data, global temperatures in 2010 averaged 14.5C, making it the second hottest year since records began in 1850 and leaving 1998 in the top spot.

Fears for British lobster industry after diseased Canadian crustaceans found off Devon coast

Diseased: A Canadian lobster found off the coast of Devon. Its claws are bound by elastic bands, suggesting it was dumped overboard by a passing ship

The Canadian lobsters have a disease called gaffkemia - or pink tail - which could kill native lobsters in their millions and potentially wipe out a lucrative industry.

Schoolboy, 12, becomes youngest Briton to develop an iPhone app

Young inventor: Thomas Goodenough's air ambulance app is being downloaded 150 times a day

Thomas Goodenough, from Collingtree, Northampton, has developed an application which gives users a tour of an air ambulance and even allows them to become 'virtual pilots'

Technology tots: The children who can use a mouse but can't tie shoelaces

As easy as riding a bike: In today's technology-driven world, children are likely to be more adept at using a computer than mastering traditional skills such as riding a bike or tying their shoelaces

While seven out of ten youngsters aged between two and five are comfortable playing on-line games, less than two in ten could swim unaided.

Life on Earth DID begin in space, according to study of samples found on meteorites

Down to Earth: Nasa scientists found the amino acid isovaline in samples of meteorites that came from asteroids, suggesting life may have started in space

Nasa scientists have discovered left-handed amino acids - the type found in nature - on meteorites. Many experts believe biological raw ingredients were carried to Earth in lumps of asteroid rock.

Blindfolded dolphins can detect and imitate each other's behaviour using 'sixth sense'

dophin.jpg

A new study at the Dolphin Research Center in the Florida Keys discovered that a male bottlenose dolphin who was blindfolded with latex goggles was able to detect the movements of its companions.

The iPad effect: Apple rakes in £3.75BILLION profit in three-month run-up to Christmas

Apple HQ in Cupertino, California: The company today announced that net income in the three months to December 25 rose 78 per cent to £3.75billion

Just two days after chief executive Steve Jobs announced he is taking a medical leave of absence, Apple has reported record sales and profits for its Christmas quarter.

Smell-O-Vision has arrived! New device plugs into your computer and releases smells during game play

Watch 'N' Sniff: The ScentScape plugs into your computer or console and emits appropriate smells as you play a game

The ScentScape plugs into your computer or games machine and emits a variety of odours whenever you play a game.

Man flu: Proof at last as scientists find the male of the species is a wimp over colds

Man flu

According to research, the working man is much more likely to succumb to a cold than his female colleague when the pressure’s on.

Driving for three hours at night is 'as bad as being behind the wheel drunk'

Dangerous: Two hours of motorway driving in the dark can affect performance so severely it is the same as having a couple of drinks, scientists claim

Researchers want governments to impose a maximum two-hour limit on continuous night-time driving in a bid to curb accidents and death rates.

The mother of all weather fronts: Great white storm over Saturn is half the size of Earth

A remarkably bright storm erupts in Saturn's northern hemisphere

Belgium to investigate iPad newspaper subscriptions 'monopoly'

Targeted: The Belgian government is to investigate Apple over its new policy of requiring newspapers to go through the iTunes store to sell iPad subscriptions

Apple has been targeted by the country's Government over its new policy of requiring newspapers to go through the iTunes store to sell subscriptions.

Man's best meal: Bone fragment confirms dogs were bred for food 9,400 years ago

Relic: Researchers analysing a dried-out sample of human waste found this dog bone fragment which they claim proves man bred dogs to eat and the existence of domesticated canines nearly 10,000 years ago

Researchers found a skull bone fragment from what they are also calling the earliest confirmed domesticated dog in the Americas.

The source of all our fears: Scientists finally discover the area of the brain which tells us to be terrified

Great question: Scientists are trying to work out what causes anxiety, a complex phenomenon and a poorly understood one

Daily Mail Science Editor Michael Hanlon underwent an MRI scan to locate his 'anxiety centre' and determine his basic stress levels.

Dramatic decline in farmland birds as numbers drop by up to 70%

The starling is one of several common species to see its numbers decline by a staggering 70 per cent in the last 40 years

Between 1970 and 2009, while grey partridges, turtle doves, starlings, tree sparrows and corn buntings have seen numbers decline by a staggering 70 per cent.

Was climate change responsible for the rise and fall of the Roman Empire?

Reading between the lines: Researchers studied ancient tree growth rings to show links between climate change and major events in human history

Scientists studied ancient tree growth rings to show links between climate change and major events in human history such as migrations, plagues and the shaping of empires.