Blood Test Can Tell Baby’s Gender at 7 Weeks: Is it a boy or girl? A new blood test can determine a baby’s gender, with 95 percent accuracy, seven weeks into a pregnancy—without the risks of such invasive procedures as chorionic villus sampling or amniocentesis, both of which pose a small threat of triggering a miscarriage, reports an analysis to be published in the Journal of the American Medical Association on August 10. The blood test is already used in Europe and may be offered in the US as soon as 2012. (Healthline)

Young Athletes in the Heat: Doctors Revise Guidelines Because of recent reports of serious, even catastrophic heat-related events with school athletics, the American Academy of Pediatrics has revised its guidelines on heat and school athletes. They’re published in this week’s edition of the journal Pediatrics. (CNN.com)

Secret for a Safe Kid’s Lunch: Extra Ice When you’re packing your kid’s lunchbox in the morning, the ice pack is just as important as the fruit and the sandwich. And new research finds you might need more than one to keep your little one healthy. (CNN.com)

Kids Who Use Facebook Do Worse in School: That Facebook is hugely distracting is hardly stop-the-presses kind of news, but parents might be dismayed to learn that the social-media site can hobble learning and make kids less healthy and more depressed. (Time.com)

Potty Training Your Toddler: Is There a Right Way? When it comes to potty-training, parents’ methods vary greatly. Some take a regimented, reward-and-punishment approach, while others ease into it by encouraging poop talk. Is any one way better than the next? (Time.com)

Key to a Well-Adjusted Child: Tailored Parenting? Parenting advice is often black or white: Be firm and unwavering. Be loving and supportive. But new research shows that a one-size-fits-all approach may not be the best way to handle things. Rather than consistency, a parent’s flexibility may be key to a well-adjusted kid, according to research published online this month in the Journal of Abnormal Child Psychology. (Time.com)

Lying Is Part of Child’s Development, Study Confirms: A Canadian study says children who lie are really just developing their intelligence. (Today Parenting)