Will Vista make my PC safe? Games of the year, getting print and screen to agree, can Wi-Fi make you sick? and much more

In this week's print edition of Guardian Technology we ask whether Vista will be safer from hacking, choose games of the year, ask whether Wi-Fi can make you sick, how many people it takes to shut down a Vista PC, and much more..

• Will Vista keep my PC safe?
  It should, says Jack Schofield, but hackers will be working hard to get around the layers of new protection built into Microsoft's upcoming version of Windows.
• Denmark has shown that pooling public data can be done - easily
  The UK government needs to take a look at how the pragmatic Danes manage their public information.
• The best - and worst - games of the year
  Our experts give you the lowdown.
• Real life crashes into Second Life's digital idyll
  Aleks Krotoski: It was three weeks ago that my virtual world disintegrated. I had been struggling with a digital littering problem in my Social Simulation Research Lab and I wanted to automate the cleanup process.
• Games
  Cricket 07 | Guitar Hero 2 | Happy Feet
• How many people does it take to turn off a Vista PC?
  Let's see: three separate teams each of eight programmers and testers and designers and a manager, plus six layers of managers for each team, plus an übermanager for them all - that's 43.
• Is there any proof that Wi-Fi networks can make you sick?
  Strictly speaking, no. Our trawl of the World Health Organisation (who.int) and National Library of Medicine (pubmed.com) databases shows that there have been no scientific papers published that have studied whether Wi-Fi networks cause any physical symptoms.
• Snapshot of the true content generators
  Victor Keegan: It is difficult to know these days whether the internet is re-inventing photography or vice versa.
• Technobile
  Jamil Shehadeh: Video killed the radio star, but it's corporate greed that killed any hope for cheap mobile video calling.
• Why printing can make you see red ... and green
  Getting a print to match the image on your monitor can cause a lot of pain and confusion. Welcome to the world of colour profiles.
• Everyone's a winner in the government IT blame game
  Michael Cross: One of the more successful myths disseminated about government IT is that we live in a blame culture. Public officials, supposedly, are condemned for failure but not rewarded for success, and consequently live in fear.
• A matter of life and death on the battlefield
  Uncontrolled bleeding can kill a soldier in minutes, so new techniques and drugs are vital to save lives.
• Ask Jack
  Send your questions and comments to Jack.Schofield@theguardian.com. Published letters will be edited for brevity, but include full details with your query.
  

  Please visit our Ask Jack weblog for daily updates.

• Letters and blogs
  Send your letters, comments, questions and rants to tech@theguardian.com, and please include your address and post town.