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.
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.
Originally published on Fri March 21, 2014 10:04 am
When it comes to treating a stroke victim, every minute counts.
Each moment that passes without treatment increases the likelihood of permanent damage or death. So the first steps to getting help are being able to spot a stroke in yourself or others and knowing how to respond.
Originally published on Wed March 19, 2014 6:08 pm
Misinformation about health remains widespread and popular.
Half of Americans subscribe to medical conspiracy theories, with more than one-third of people thinking that the Food and Drug Administration is deliberately keeping natural cures for cancer off the market because of pressure from drug companies, a survey finds.
Originally published on Wed March 19, 2014 11:39 am
By Marcelo Gleiser
As we found out on Monday, the universe appears to be filled with the rippling remains of an early period of ultrafast expansion, a discovery that ushers a new era of observations that will take us right up to the beginning of time. (Also: read Adam's post.)
An analysis of DNA from chicken bones collected in the South Pacific appears to dispel a long-held theory that the ubiquitous bird first arrived in South America aboard an ancient Polynesian seafarer's ocean-going outrigger.
This is the story of a totally made-up place that suddenly became real â€” and then, strangely, undid itself and became a fantasy again. Imagine Pinocchio becoming a real boy and then going back to being a puppet. That's what happened here â€” but this is a true story.
It's about a place in upstate New York called Agloe. You can see it here, circled in blue ...
It's fight against invasive species every day in Florida. Burmese pythons and Cuban tree frogs are some of the animals that moved in uninvited. There's also this giant lizard, the Argentine black and white tegu. Tegus are coming out of hibernation right now and they're hungry. They eat eggs of native animals that conservationists want to protect.