Originally published on Fri February 14, 2014 3:25 pm
This post was updated at 4:20 p.m. ET.
A chain reaction of crashes involving dozens of cars and tractor-trailers has left at least 30 people hurt and forced the closure of the eastbound lane on the Pennsylvania Turnpike near the town of Bensalem, local news reports.
The lane is now reopened after being closed for much of the day.
Some 100 vehicles were reportedly involved in multiple accidents stemming from an initial 14 or 15-vehicle collision in southern Bucks County at about 8:25 a.m. ET.
Originally published on Mon February 17, 2014 1:41 pm
The world's largest solar power plant, made up of thousands of mirrors focusing the sun's energy, has officially started operations in the Mojave Desert, just inside southeastern California near the border with Nevada.
The $2.2 billion, 400-megawatt Ivanpah Solar Electric Generating System, which covers 5 square miles and has three 40-story towers where the light is focused, is a joint project by NRG Energy, Google and BrightSource Energy. The project received a $1.6 billion federal loan guarantee.
We're doomed to be miserable if we don't get what we want — right? Not quite, says psychologist Dan Gilbert. He says our "psychological immune system" lets us feel truly happy even when things don't go as planned.