By News StaffPublished: Oct 29, 2014 at 9:07 PM PDTLast Updated: Oct 29, 2014 at 9:07 PM PDT
The public often lets feelings of fear drive their perception of a risk, rather than the probability of the risk actually happening, said University of Oregon Psychology Professor Paul Slovic.
With Ebola in the headlines, Slovic said, our thoughts of possibly contracting the disease hit all the risk perception hot buttons. It's unfamiliar, it's deadly, it's invisible, and not easily controllable.
Slovic says we tend to overreact and over-prepare, so that a disease doesn't spread. He says a lot of the precautions are more to ease the public fears than prevent a tragedy.
A rocket bound for the International Space Station exploded after liftoff Tuesday in Virginia. No one is believed to have been injured. The cause is under investigaiton.
Orbital Sciences Corp.'s unmanned Cygnus capsule holds 5,000 pounds of cargo for NASA, including 32 mini research satellites, a meteor tracker, and a tank of high-pressure nitrogen to replenish a vestibule used by spacewalking astronauts.