The capacity for motility already exists in testicular sperm, demonstrated by the fact that motility can be induced in demembranated testicular and caput epididymal sperm in the presence of ATP, cAMP, appropriate calcium levels, and proper pH.

[Hirsch:] Do you mind being called an intellectual? [Sontag:] Well, one never likes to be called anything. […] I suppose there will always be a presumption of graceless oddity—especially if one is a woman.

A Spanish Supreme Court probe into last year's attempt to secede Catalonia from Spain wraps up Friday with the judge expected to charge 28 regional politicians and separatist leaders with offenses that may include rebellion.

In 2015, he was selected as candidate for that year's by-election for the Oldham West and Royton seat. He won with 62% of the vote.