Researchers from the School of Medicine at the University of California have shown that the more germs a child is exposed to, the better their immune system in later life. Their study found that keeping a child's skin too clean impaired the skin's ability to heal itself. From the article: "'These germs are actually good for us,' said Professor Richard Gallo, who led the research. Common bacterial species, known as staphylococci, which can cause inflammation when under the skin, are 'good bacteria' when on the surface, where they can reduce inflammation."

feldhaus writes "The BBC reports that the first beams for over one year have been successfully sent around the complete circumference of the Large Hadron Collider. Engineers do not yet have a stable circulating beam but they hope to by 0600 GMT on Saturday."

Ponca City, We love you writes "The Telegraph reports that men who spend even a few minutes in the company of an attractive woman perform less well in tests designed to measure brain function than those who chat to someone they do not find attractive. This leads to speculation that men use up so much of their brain function or 'cognitive resources' trying to impress beautiful women, they have little left for other tasks. Psychologists at Radboud University in The Netherlands carried out the study after one of them was so struck on impressing an attractive woman he had never met before, that he could not remember his address when she asked him where he lived. Researchers recruited 40 male heterosexual students and had each one perform a standard memory test. The volunteers then spent seven minutes chatting to male or female members of the research team before repeating the test. The results showed that men were slower and less accurate after trying to impress the women. The more they fancied them, the worse their score."

LosManos writes "Which is the best programming mouse? Mandatory musts are wireless, and that it doesn't clog up like old mechanical mice. Present personal preferences are for: lots of buttons, since if I have moved my hand away from the keyboard I can at least do something more than move the pointer; sturdy feeling; not too light, so it doesn't move around by me accidentally looking at it." What would you recommend?

Mike writes "Signaling a bright future for sustainable energy, 15-year-old Javier Fernandez-Han has created a remarkable algae-powered energy system that is capable of producing food and fuel, treating waste, containing greenhouse gases, and releasing oxygen. Dubbed the VERSATILE system, the project recently netted him a $20,000 scholarship for winning this year's Invent Your World Challenge."

All is not sweetness and light in the wake of the Apple WWDC kickoff announcements, especially concerning the evolution of the iPhone. Reader Hugh Pickens writes: "AT&T will offer the new iPhone 3G S when it debuts later this month at a cost of $199 and $299 for the 16GB and 32GB models, but only to new customers and those who qualify for the discounted price. AT&T subscribers with an iPhone 3G who are not eligible for an upgrade — those not near the end of their two-year contracts — will have to pay $200 more — $399 for the 16GB model and $499 for the 32GB model. 'This is ridiculous and slap in the face to long-time loyal iPhone customers like me who switched from T-Mobile and the only reason was the iPhone,' writes one unhappy iPhone customer. 'We have to mount a vigorous campaign to change this policy. Call your local AT&T and ask for the manager and complain. Send e-mails and post in forums everywhere.' The issue is spurring heavy debate on support discussion forums, with some customers supporting AT&T. 'The option you have is to honor the contract you freely committed yourself to,' says one forum member. 'If you want to upgrade early then you will have to pay full price with no subsidy discount. You can't blame anyone but yourself for your predicament.'"

globeadue writes "My company just tagged me for full time App Dev — I've essentially never coded for money, but the last 3 years of support desk gives me the business sense to know the environment I'll be coding for. Now my company will be training me, so I think the technical side of things will be covered, what I'm looking for is best practices, habits I should/shouldn't develop, etc as I take on my new craft."