The advanced lithium-ion battery pack carries an industry-competitive warranty of 8 years or 100, 000 miles.

ENGADGET: Nissan starts US production of 2013 Leaf, vows faster charging and a lower entry price

Answer: A -- A plastic six-pack holder takes 450 years to disintegrate.

CNN: Hey Earthling, it's Earth Day; time for a quiz

Within a few years, the pack-horse trail had been widened into a proper road, stretching 368 miles from Valdez to Fairbanks, and the Richardson Highway was born.

BBC: Journey into the Alaskan wild

Men who'd smoked a pack a day for 40 years -- or, equivalently, two packs a day for 20 years -- were 82% more likely to succumb to prostate cancer than men who had never smoked.

CNN: Smoking linked to more aggressive prostate cancer

At 23 years old and a muscular 204 pounds, he has kept his excess weight off for five years and sports a rippling six-pack.

CNN: Weight losers combat fear of exercise, schoolyard torment

At NeighborCare Bronfein spent a few million over several years to design a new pick-and-pack robot, but the project died after he left the company.

FORBES: Drug Lord

Each year I guide ski expeditions across the pack ice to the North Geographic Pole and each year brings new surprises -- severe storms rarely seen in these parts, vast tracts of first-year ice where there should be years of accumulation, pack ice drifting faster and farther than ever before.

CNN: The story

It will be another four to five years before Indians can purchase the company's iconic flat-pack furniture, IKEA spokeswoman Ylva Magnusson said Tuesday.

WSJ: India Clears IKEA's $1.95 Billion Proposal

Time and again studies have shown how, across asset classes, the top-performing fund over one time period often ends up being at the bottom of the pack in subsequent years.

WSJ: The Experts: Are High Fees Worth It for Funds With Great Track Records?