They are one of dozens of Dutch families interviewed by Amy T. Schalet, assistant professor of sociology at the University of Massachusetts, in her new book, "Not Under my Roof."

他们只是斯嘉丽采访过的荷兰家庭中的一对。斯嘉丽是马萨诸塞大学社会学院的一名助理教授，她的新书《不在我的屋檐下》比较了美国家长和荷兰家长对性的不同态度。

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Shoppers are likely to abandon a line that might take between one and 10 minutes to get through after the first two or three minutes if they feel it isn't moving sufficiently fast enough for them, says Narayan Janakiraman, an assistant professor of marketing at Eller College of Management at the University of Arizona.

WSJ: Find the Best Checkout Line

The bottom line, though, is that people shouldn't blame their allergies for deeper emotional issues, says Dr. Michael Silverman, assistant professor of psychiatry at Mount Sinai School of Medicine in New York.

CNN: Sad in the spring? Allergy-mood link is real

"Currently, there are no approved therapies in regenerative medicine for heart failure, " said Karen Christman, assistant professor of bioengineering at the University of California, San Diego, who wasn't involved in the latest experiments.

WSJ: Nanotechnology Holds Promise for Heart Patients