Forget about the static little ladder you heard about in biology class. DNA wiggles like crazy and keeps changing its shape.
Author Jon Krakauer posted "How Chris McCandless Died: An Update" Wednesday at The New Yorker online with the fifth theory he has put forward since 1993 to justify his claim that the young man did not die of reckless behavior but of poisoning.
It had all the trappings of a typical Miami funeral. The eulogists, stifling their tears. The aria, Handel's mournful Piangero la Sorte Mia. The loud lamentations of the black laced lloradera.
See more ScienceShots. Now, a team of biologists say the threshold is set by two competing effects of trimethylamine N-oxide
By: Mike Wall Published: 03/08/2013 10:09 AM EST on SPACE.com Linked pairs of amino acids called dipeptides can take shape
FA: I can make bacteria for example that will convert sugar into gasoline. FA: We’re just pumping all of this wealth out
When you learn something new -- a sequence of letters, for example -- an ancient structure known as the midbrain sends squirts of the chemical dopamine to your prefrontal cortex, effectively tagging the new information as "for your immediate attention."
Hope for treatments The researchers did not compare the suicidal patients with severely depressed but not suicidal individuals
Wounded soldiers or surgery patients could soon get new help to stop the bleeding. A lab has successfully created tiny, disk
For organisms that do it, bioluminescence has many uses, according to the exhibit materials. Fireflies use flash to attract
Some call such experiments "animal cruelty." Others say animal experimentation is essential because it helps catch dangerous
Batteries installed on insects's backs can't deliver enough power to support planned reconnaissance and first-response missions
The power of self-compassion is not just an idea; it's very real and actually manifests in our bodies. When we soothe our own pain, we are tapping into the mammalian care-giving system.
The human race will be around in a hundred years, even if oil won't -- in a big way at least. We will have long gone back to living off the land by that point, just as we did before the modern industrial revolution changed life seemingly irrevocably.