But at 24 months, the December-born California boys had unexpectedly high cognitive scores compared with controls.

WSJ: Exercise in Short Bursts Is Effective

Of the boys born in December, 7.4% were diagnosed with ADHD and 6.2% were given medication.

CNN: Youngest kids in class more likely to be diagnosed with ADHD

No significant height differences were found between the California boys born in December and controls, results showed.

WSJ: Exercise in Short Bursts Is Effective

Born in December 1962, the oldest of five boys and three girls, Jeffrey Donaldson was brought up as a Presbyterian in rural Kilkeel in County Down.

BBC: Profile: Jeffrey Donaldson

The next day, authorities released pictures of the father and his two boys taken from surveillance cameras December 23 and December 24 at a Walmart in Jackson, Tennessee.

CNN: 2 Georgia boys -- missing for 10 days -- found safe in Texas

Baby boys whose circumcisions likely involved the ritual between April 2006 and December 2011 had an estimated risk of contracting neonatal HSV-1 infection of 24.4 per 100, 000 cases, 3.4 times greater than other infants, according to the health department.

CNN: Babies' herpes linked to circumcision practice

Nash said she didn't know why her estranged husband did not bring the boys home as planned Wednesday from a trip to Tennessee that began December 19.

CNN: 2 Georgia boys -- missing for 10 days -- found safe in Texas

The Apprentice Boys of Derry loyal order, which holds annual parades in Derry in August and December, has made agreements with the residents on its parades in recent years.

BBC: Restrictions placed on Derry parade

The geeky do-gooders like Bill and Melinda Gates and the Google boys, their avuncular buddy Warren Buffett, even George Soros with his May-December romances: put them all together and you have enough money to cure tropical diseases and spread democracy but not enough kinks to lift an eyebrow.

FORBES: The Dirty Secret of the Super-Rich