1 E-21 s

To help compare orders of magnitude of different times this page lists times between 10-21 seconds and 10-20 seconds (1 zeptosecond to 10 zeptoseconds) See also times of other orders of magnitude.



In the News

Higher Incidence Of Rejection Following Early Steroid Withdrawal
A new study on early steroid withdrawal following liver transplantationfound that there was a higher incidence of rejection and a lower incidence of glucose intolerance necessitating treatment for diabetes. It was the first double-blind placebo-controlled study to examine the effects of early steroid elimination.

Audubon Christmas Bird Count
Official site for the Audubon Society "early-winter bird census, where volunteers follow specified routes through a designated 15-mile (24-km) diameter circle, counting every bird they see or hear all day."Provides background on the count, which occurs annually from December 14 to January 5, and current and historical data from counts. Also includes a bibliography of scientific articles, photo galleries, and documents for compilers. From the Audubon Society.

New Approach To Pulmonary Hypertension Shows Promise
Researchers at the University of Alberta have identified a "central command system"for pulmonary hypertension, a disease that currently has no cure and kills thousands each year.

Force For Democracy -- Or Information Chaos? Expert Forum Spotlights B
Controversial Internet entrepreneur turned cultural critic Andrew Keen, who says the revolution of interactivity and user-generated content on the internet is leading to 'less culture, less reliable news and a chaos of useless information'is one contributor certain to ignite debate at the two-day conference at the University of York. Innovations such as Facebook, MySpace and YouTube -- known as the 'Web 2.0'phenomenon -- are the focus of a major gathering of Internet researchers, surfers and social commentators, aimed at encouraging social scientific interest in recent dramatic developments in cyberspace culture.

[Scary] Pregnant woman says 'maternal instinct' helped her kill attack
FORT MITCHELL, Ky. - A pregnant woman who killed her attacker said a maternal instinct helped her fight off the woman who investigators believe was after her unborn child."I do believe that I fought harder because it was for my child,"Sarah Brady told ABC's "Good Morning America"in interviews aired Sunday and Monday. "It is a maternal instinct to protect your child to the very end."Katherine Smith, 22, died Thursday after luring Brady to her apartment to pick up a package supposedly delivered to the wrong address. When Smith pulled out a knife and attacked the pregnant woman, Brady fought back, striking Smith on the head with an ash tray and stabbing her three times with her own knife, police said. Brady, 26, said she didn't know Smith before the two met at Smith's apartment and can't be certain why Smith wanted to kill her."I really am not sure what was going through her mind,"Brady told ABC. "The only thing I thought was that she was going to kill me and my child and that is the only thing that ran through my mind."

Fast, Accurate Sensor To Detect Food Spoilage
Amid growing concern about outbreaks of food poisoning, researchers in South Carolina are reporting development of a new "food freshness sensor,"for fast, accurate detection of food spoilage. Researchers developed a polymer material that raises a red flag, changing color in the presence biogenic amines, compounds produced by the bacterial decay of food proteins. In laboratory tests, the polymer identified and distinguished between 22 different kinds of key food-spoilage amines with 97 percent accuracy.

MedlinePlus: Rehabilitation
Compilation of links to consumer material about rehabilitation methods such as physical therapy, art therapy, therapeutic recreation, occupational therapy, and massage. Covers rehabilitation for some specific conditions, such as stroke and vestibular disorders. From the National Library of Medicine (NLM) and the National Institutes of Health (NIH).

Rockefeller Scientists Show That MicroRNAs Play An Essential Role In T
The beauty of fruit flies as a scientific model system is that they are easy to manipulate and they give results fast. New research from Ulrike Gaul, Ph.D., at Rockefeller University, takes advantage of these characteristics to show that microRNAs are powerful regulators of fundamental processes including cell survival and nerve and muscle development. Certain microRNAs are conserved between flies and humans, so that these findings may shed light on how different human genes are controlled.

[Cool] University offers UFOs course
Santiago University is offering a degree in UFOs...

Boston University Team Finds Link Between High Cholesterol And Better
What's bad for your ticker may be good for your bean, according to research from a team of scientists at Boston University. The team looked at 18 years of data from the long-running Framingham Heart Study and found an association between naturally high levels of blood cholesterol and better mental functioning.


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