In a press release and a five-page letter to the scientific community, Peter Kim asserts that although Merck had to correct a statistical method, the 18-month conclusion is still valid based upon the data Merck had at the time.

FORBES: Magazine Article

Only 41% thought the Tiger mom theory parenting method was flawed and just 18% said it robbed children of their childhood.

FORBES: Most Chinese Really Are "Tiger Moms", Survey Says

Whereas your reported projection relied on a single poll question about people's second preferences, our method was to interview 8, 400 people across 18 different regions of Britain immediately after the May 1st general election.

ECONOMIST: Prescient

Delaney, who admits that he "still has to concentrate" when parallel parking uses the method below and credits it with getting his daughter through her driving test when she was 18.

BBC: Who, what, why: How do you parallel park?

Five years ago the government lifted the anonymity granted to donors, so that now any offspring conceived by the donor method, are able to trace their biological parents when they get to the age of 18.

BBC: The cost of fertility treatment 'tourism'