Obama legacy: Quiet but big changes in energy, pollution

Mostly unnoticed amid the political brawl over climate change, the United States has undergone a quiet transformation in how and where it gets its energy during Barack Obama's presidency, slicing the nation's output of polluting ...

Yosemite, and President Obama, head into virtual reality

In a new project with National Geographic, Barack Obama becomes the first sitting U.S. president to project himself into virtual reality—in this case, a 360-degree representation of Yosemite National Park.

What makes Tom Hanks look like Tom Hanks?

Tom Hanks has appeared in many acting roles over the years, playing young and old, smart and simple. Yet we always recognize him as Tom Hanks. Why? Is it his appearance? His mannerisms? The way he moves?

Audit finds slipshod cybersecurity at HealthCare.gov

The government stored sensitive personal information on millions of health insurance customers in a computer system with basic security flaws, according to an official audit that uncovered slipshod practices.

Obama makes case for renewable energy

US President Barack Obama made a full-throated defense of renewable energy, hitting coal-championing critics as free market hypocrites.

Both sides framed Keystone XL Pipeline debate in Nebraska

As supporters and opponents of the proposed Keystone XL (KXL) Pipeline testified at public hearings in Nebraska between 2010-2013, several interest groups attempted to frame the debate in different ways.

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