You’ve seen those jugs of distilled water in the grocery store, but you may not know exactly what it is or its usage. When water is distilled, it is heated to boiling, vaporized, cooled, condensed and collected in a way that keeps impurities from being reintroduced.¹
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Rolling over is one of many developmental milestones in your baby’s life. You may see your baby kick himself over from his tummy to his back as soon as four months. Going from back to front takes stronger muscles, so it may take until he’s five to six months old to master that move.

Source:
“Developmental milestones: Rolling over,” http://www.babycenter.com/0_developmental-milestones-rolling-over_6504.bc

Toddlers love to imitate grown-ups¹, so old cell phones and toy versions are often big hits with little ones. But how soon should you give your child a real cell phone? An American Academy of Pediatrics expert says 11-12 years is the earliest. Kids who are busy talking, texting and playing games or music on their cell phones may spend less time interacting with other kids and family. Research says they also pay less attention to traffic and physical surroundings that could put them in danger.²

¹ "News Briefs," http://www.aap.org/advocacy/releases/feb09studies.htm

² AAP News, "Cell phones can be dangerously distracting", http://aapnews.aappublications.org/cgi/content/full/30/5/33-e