If Conway Morris is right about the creatures' sophistication, millions of years of vertebrate evolution must have preceded them, reaching back before the Cambrian explosion.
In the interview today, Mr. Gore said he was intent on reaching back -- to far before he became vice president -- for the public to understand what motivates him.
Ninety minutes before the closing bell the major indexes were reaching back toward their best levels of the session.
Reaching back to World War II, and then to wars that came before, she reveals the continuity beneath the clangor.
It may be that you have to be 40 before you can reconcile with 14, before you can reach back in time and offer a consoling embrace.
The band introduced what it said was a song it had never before performed that reached back to the frenetic strumming of its early days, when it was often compared to the Strokes.
"The struggle with stagnant wages, high levels of debt and a heavy reliance on rising tax credits reaches back before the financial crisis.
The poem, a series of dramatic tales, reaches back before the birth of the Prophet Muhammad and incorporates the periods of slavery and colonialism in West Africa.
But it's even more basic than modern medicine, and reaches back before the New Deal, to some of the very first initiatives of progressive government.
