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Archaeologists are still excavating Göbekli Tepe and debating its meaning. What they do know is that the site is the most significant in a volley of unexpected findings that have overturned earlier ideas about our species' deep past. Just 20 years ago most researchers believed they knew the time, place, and rough sequence of the Neolithic Revolution—the critical transition that resulted in the birth of agriculture, taking Homo sapiens from scattered groups of hunter-gatherers to farming villages and from there to technologically sophisticated societies with great temples and towers and kings and priests who directed the labor of their subjects and recorded their feats in written form. But in recent years multiple new discoveries, Göbekli Tepe preeminent among them, have begun forcing archaeologists to reconsider. At first the Neolithic Revolution was viewed as a single event—a sudden flash of genius—that occurred in a single location, Mesopotamia, between the Tigris and Euphrates Rivers in what is now southern Iraq, then spread to India, Europe, and beyond. Most archaeologists believed this sudden blossoming of civilization was driven largely by environmental changes: a gradual warming as the Ice Age ended that allowed some people to begin cultivating plants and herding animals in abundance. The new research suggests that the "revolution" was actually carried out by many hands across a huge area and over thousands of years. And it may have been driven not by the environment but by something else entirely.

Most of the world's great religious centers, past and present, have been destinations for pilgrimages

Göbekli Tepe may be the first of all of them, the beginning of a pattern. What it suggests, at least to the archaeologists working there, is that the human sense of the sacred—and the human love of a good spectacle—may have given rise to civilization itself.

n the 1960s archaeologists from the University of Chicago had surveyed the region and concluded that Göbekli Tepe was of little interest. Disturbance was evident at the top of the hill, but they attributed it to the activities of a Byzantine-era military outpo

To Schmidt, the T-shaped pillars are stylized human beings, an idea bolstered by the carved arms that angle from the "shoulders" of some pillars, hands reaching toward their loincloth-draped bellies. The stones face the center of the circle—as at "a meeting or dance," Schmidt says—a representation, perhaps, of a religious ritual. As for the prancing, leaping animals on the figures, he noted that they are mostly deadly creatures: stinging scorpions, charging boars, ferocious lions. The figures represented by the pillars may be guarded by them, or appeasing them, or incorporating them as totems.

nches below the surface the team struck an elaborately fashioned stone. Then another, and another—a ring of standing pillars.

Geomagnetic surveys in 2003 revealed at least 20 rings piled together, higgledy-piggledy, under the earth.

he pillars were big—the tallest are 18 feet in height and weigh 16 tons. Swarming over their surfaces was a menagerie of animal bas-reliefs, each in a different style, some roughly rendered, a few as refined and symbolic as Byzantine art.

The circles follow a common design. All are made from limestone pillars shaped like giant spikes or capital T's.

They hadn't yet mastered engineering." Knoll speculated that the pillars may have been propped up, perhaps by wooden posts.

Within minutes of getting there," Schmidt says, he realized that he was looking at a place where scores or even hundreds of people had worked in millennia past.

Puzzle piled upon puzzle as the excavation continued. For reasons yet unknown, the rings at Göbekli Tepe seem to have regularly lost their power, or at least their charm. Every few decades people buried the pillars and put up new stones—a second, smaller ring, inside the first.

he site may have been built, filled in, and built again for centuries.

Bewilderingly, the people at Göbekli Tepe got steadily worse at temple building.

Finally the effort seems to have petered out altogether by 8200 B.C. Göbekli Tepe was all fall and no rise.

students more engaged

productive learning is the learning process which engenders and reinforces wanting to learn more

manage, analyze, and synthesize multiple streams of simultaneous information,

attention literacy—the ability to exert some degree of mental control over our use of technology rather than simply being distracted by it

"learning ready,"

MIT Open Courseware or courses offered through Khan Academy will provide all the knowledge they need to pass a typical test on the subject

learn, MIT Open Courseware or courses offered through Khan Academy will provide all the knowledge they need to pass a typical test on the subject.

The reality is that I no longer need to send my children to a school to learn algebra, U.S. history, or French.

That doesn't mean that we throw all information and knowledge out of the curriculum. No question, all kids need to be able to read and write effectively, understand enough math to function in their daily lives, and have a basic understanding of science, history, and more. But we must be willing to consider that in a world full of access to knowledge and information, it may be more important to develop students who can take advantage of that knowledge when they need it than to develop students who memorize a slice of information that schools offer in case they might need it someday

But giving students devices and access is only a small part of the equation

Seven Habits of Highly Effective People -- a set of universal, timeless, self-evident principles common to every enduring, prospering society, organization, or family. I take no credit for these principles. I simply organized, sequenced and articulated them. These principles include 1) taking personal responsibility and initiative, 2) getting clear about what's important to you and setting goals, 3) putting those priorities first and being disciplined, 4) seeking mutual benefit in all interactions with others -- the golden rule, 5) seeking to understand others from their perspective first before making your point, 6) valuing differences and creating third-alternative solutions to problems that are better than "my way" or "your way," and 7) taking care of and renewing yourself in all four areas of life -- body, mind, heart and spirit.

The approach is inside-out, with the teachers and administrators learning, living and modeling the principles themselves first, and then, at the most basic level, integrating the principles into their teaching every day. There is no new curriculum. The principles of effectiveness are creatively woven by teachers into every subject -- reading, math, history, science, social studies, art, etc. From the moment they walk into the school each day until the final bell rings, the children soak in their adult leaders' belief that they are leaders of their own lives, have unique talents, and can make a difference.

We don't define leadership as becoming the CEO or the few percent who will end up in big leadership positions. We are talking about leading your own life, being a leader among your friends, being a leader in your own family. Leadership, as one school put it, is doing the right thing even when no one is looking.

The world has moved into one of the most profound eras of change in human history.

"The notion that the cultural traditions of our population reside in Western Civilization is belied by the demographic changes in the American population," Grossman said. He said it is knowledge of world history, a perspective that encompasses Western Civilization, that students are going to need in order to be successful in business, nonprofit, and government jobs.