World's business data nears ten zettabytes per year

We're a talkative species (some more so than others - ed.), but even so, it's something of a surprise to see just how much information's being exchanged every day on the internet - 9,570,000,000,000,000,000,000 bytes per year, to be precise.

Contrails warm world more than CO2 emissions

Aircraft contrails do more to warm the planet than their exhaust fumes, a new study has found.

Large quakes don't trigger others far away, study finds

Big earthquakes don't trigger others far away, a new study from the Royal Geographic Survey and the University of Texas has found.

Gmail users are younger and thinner

Well, this is better than astrology. I've never much liked being a Taurus (stubborn, prosaic, materially-minded), but as a Gmail user I'm delighted to be told I'm young, thin, educated and well-traveled. And it's all true, of course.

Open source safest for healthcare IT, study claims

Open source software is actually more secure than its often more expensive alternatives, say researchers at the University of Warwick and UCL Medical School.

'Global warming' vs. 'climate change': terminology matters

Do you believe in global warming? How about climate change? A new study has shown that words matter, with more Americans saying they believe in the phenomenon when it's referred to as climate change.

Facebook makes people pleased with themselves

Many things that are bad for you in large quantities can be good in moderation.

Physicians acting unprofessionally on Twitter, says report

Be wary of tweeting physicians, warns a new study, which says that many are behaving unprofessionally.

Three types of online groomer, study finds

There are at least three different types of online sexual predator, a European study of convicted online groomers has found.

Gulf oil dispersant hung around for months

Much of the dispersant used to combat last year’s Deepwater Horizon oil spill still hadn't degraded months after it was applied.

Study finds new evidence for video game addiction

A new study by an international research team has found more evidence that it really is possible to become addicted to video games.

Loss of reflectivity accelerates global warming

A new 30-year analysis has found that the northern hemisphere's loss of reflectivity due to snow and sea ice decline is more than double current estimates.

Ten percent of users account for 90 percent of data traffic

Well, it seems that people like us are just spoiling things for everybody else. A study has found that just ten percent of mobile users account for a whacking 90 percent of data traffic.

Parental controls work poorly with Web 2.0 sites

A European Commission study has found that parental control programs function poorly when filtering Web 2.0 content such as social networking sites or blogs.

Opinion: Predictions of 42% adult fatness is too much

Harvard University researchers say the explosion of adult-aged American waistlines won’t slow down until 42% are obese.

US to face severe droughts, study finds

The US may be set for severe and prolonged droughts in the coming decades, a new government study has found.

Heavy phone use may cause cancer

A ten-year study into whether or not mobile phones cause brain tumors has concluded... maybe.

Study aims to settle health concerns over long-term mobile use

A new long-term study is to investigate a possible link between the use of mobile phones and long-term health problems such as cancer.

Nearly half of Americans have social media profiles

48% of Americans over the age of 11 now have profiles on at least one social networking Web site, including 78% of teenagers, according to a newly released study.

11% of young adults will check texts during sex

Things are getting hot and sweaty when all of the sudden you hear that sound: a new text notification. What do you do? If you'd actually interrupt sex to check the message, you're not alone.