Earlier this week, physicists announced they'd seen evidence of ripples in the fabric of space and time from just moments after the Big Bang. Such ripples were predicted almost a century ago by Albert Einstein.
Einstein's theory of relativity is arguably the 20th century's greatest idea. But not everything he did was right: Some newly uncovered work from the brilliant physicist was wrong. Really, really wrong.
Originally published on Wed March 19, 2014 9:04 pm
If you thought things had calmed down in Toronto, you were wrong.
Today, a new round of court documents meant another chaotic day at Toronto city hall.
In truth, we didn't learn much more about the scandal involving Mayor Rob Ford smoking crack. As the CBC reports, the court documents revealed officially that video obtained by police show Ford holding a "glass cylinder to his mouth," while he lit a flame to the tip of the pipe.
Alzheimer's disease isn't what it used to be. After 30 years of having doctors diagnose the disease by symptoms alone, researchers and advocacy groups are calling for new diagnostic criteria that recognize changes in the brain as well as changes in behavior.
The goal is to eventually allow doctors to diagnose "preclinical" Alzheimer's in patients who do not have problems with memory or thinking, but who do have an abnormal brain scan or some other sign that the disease may be developing.