Post by Police Moderator on Jan 3, 2010 18:28:26 GMT -5
50 Things we know now that we didn't know this time last year
From pigs to grumps, from burgers to icecaps, we're a bit smarter than we were a year ago.
By JEFF HOUCK
From pigs to grumps, from burgers to icecaps, we're a bit smarter than we were a year ago.
By JEFF HOUCK
If there were an award for best quote of the year, our money would be on Richard Fisher, the director of NASA's Heliophysics Division.
Fisher was interviewed in October by National Public Radio after NASA scientists discovered a mysterious ribbon of hydrogen around our solar system.
The layer, a sort of protective barrier called the heliosphere, shields us from harmful cosmic radiation. Its existence defies all expectations about what the edge of the solar system might look like.
Fisher's response: "We thought we knew everything about everything, and it turned out that there were unknown unknowns."
