Tiny radioactive capsule found after search of vast swath of Australia

Read MoreThe dangerously radioactive capsule fell off a truck along a remote stretch of desert highway in Western Australia last month. One official said it was like finding “a needle in a haystack.”The dangerously radioactive capsule fell off a truck along a remote stretch of desert highway in Western Australia last month. One official said it was like finding “a needle in a haystack.”