links for 2006-04-02

A recent study [...] found that a striking percentage of men in Ireland [...] share the same Y chromosome, suggesting that the 5th-century warlord known as "Niall of the Nine Hostages" may be the ancestor of one in 12 Irishmen.

About two million Americans met their spouses online. Now the divorces are starting. How dating Web sites are scrambling to make sure forever really is forever.