I admit it! I am a Googler. I love everything Google. Love it or hate it, Google has become a household name, mostly due to its high quality and widely used internet search engine. This popularity and reputation for reliability makes it easier for the company to offer new services such as Google Now and I have to tell you, I already love it.

Today at its annual developers conference, Google senior vice president Amit Singhal said “its end of search as we know it.” and Google’s search engine, in the future, will “answer, converse and anticipate” what we need. Much of this technology is based on the integration of Google Now.

Scientists think they have discovered why cancer spreads from one part of the body to another, and say it will be “relatively easy” to stop the process.

Experiments carried out by a team at University College London uncovered what causes the disease to migrate.

In many cases, death from cancer is not caused by the primary tumour, but the secondary growth.

Scientists found that diseased cells are attracted to healthy cells, which then try to move away from the cancerous cell. However, the cancer cell continues to follow the healthy cell, causing the disease to spread through the body. “Nobody knew how this happened, and now we believe we have uncovered it,” said Prof Roberto Mayor, who led the team. “If that is the case it will be relatively easy to develop drugs that interfere with this interaction.”

For the most part, we humans are better at things than we were thousands of years ago. But there are some things the ancients had down pat. Roman concrete, for instance, is just way better than anything we can whip up today. Finally, after some 2,000 years, modern-day scientists have figured it out. And it’s a secret worth knowing.

Concrete, while often not exactly pretty, is a super important tool of city-building today. We’ve been using Portland cement (an ingredient in concrete) as a binder for nearly 200 years as a building block of modern architecture, but it just can’t hold a candle to that old Roman stuff. There are concrete harbors in Italy that are still doing pretty damn well after thousands of years. Meanwhile, a modern-day Portland cement structure is lucky to last 50 years when exposed to saltwater.

Now, after years of research in labs across the US and Europe, scientists have figured out that the most robust Roman concrete is a specific mixture of lime and volcanic rock, the details of which have been published in this month’s issues of the Journal of the American Ceramic Society and American Mineralogist.

3D printing is probably the most exciting new technology being developed in the world today, and its scope of influence is not limited to Earth. NASA has recently contracted a company called Made In Space to develop the first-ever 3D printer for microgravity, which it’s planning to use on the International Space Station (ISS) and beyond.

While the first working 3D printer was built in 1984, the technology has come forward in leaps and bounds over the past few years. There’s already a lot of talk about how we could use 3D printing in human spaceflight and space colonization. Deep Space Industries is considering using 3D printing forharvested asteroid material, the European Space Agency is investigating how to print a moon base and Cornell University is even considering how to print space food.

Two years ago Apple debuted iAd with the goals of transforming how ads look, work, and sell, charging massive 7-figure sums for allowing brands the privilege of ushering in a brave new world of mobile advertising, and capturing almost half of the mobile ad market.

Inside Fort Meade, Maryland, a top-secret city bustles. Tens of thousands of people move through more than 50 buildings—the city has its own post office, fire department, and police force. But as if designed by Kafka, it sits among a forest of trees, surrounded by electrified fences and heavily armed guards, protected by antitank barriers, monitored by sensitive motion detectors, and watched by rotating cameras. To block any telltale electromagnetic signals from escaping, the inner walls of the buildings are wrapped in protective copper shielding and the one-way windows are embedded with a fine copper mesh.

This is the undisputed domain of General Keith Alexander, a man few even in Washington would likely recognize. Never before has anyone in America’s intelligence sphere come close to his degree of power, the number of people under his command, the expanse of his rule, the length of his reign, or the depth of his secrecy. A four-star Army general, his authority extends across three domains: He is director of the world’s largest intelligence service, the National Security Agency; chief of the Central Security Service; and commander of the US Cyber Command. As such, he has his own secret military, presiding over the Navy’s 10th Fleet, the 24th Air Force, and the Second Army.