1840s

Centuries: 18th century - 19th century - 20th century

Decades: 1790s 1800s 1810s 1820s 1830s - 1840s - 1850s 1860s 1870s 1880s 1890s

Years: 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849


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In the News

Workplace Woe: Are Abusive Bosses Or Inferior Employees To Blame?
Considerable attention, both in blogs and in popular media, has been given to abusive bosses over the past few years. Less discussed are employees'responses to such behavior. How do employees react to abusive supervisors? Do they simply take what is dished out, or do they actively seek to change the situation?

Machines Can't Replicate Human Image Recognition, Yethttp://feeds.scie

Cosmic Lighthouses: Astrophysicists Explain Differences In Brightness
Supernovae stand out in the sky like cosmic lighthouses. Scientists at the Max Planck Institute for Astrophysics and at the National Astronomical Institute of Italy have now found a way to use these cosmic beacons to measure distances in space more accurately. The researchers have been able to show that all supernovae of a certain type explode with the same mass and the same energy - the brightness depends only on how much nickel the supernova contains. This knowledge has allowed the researchers to calibrate the brightness of supernovae with greater precision.

Is Apple The New Microsoft?
As the Cupertino wonder faces an antitrust lawsuit over iTunes' digital rights management, questions arise about the company's intentions. In Monkey Bites.

Gardening

story links: Gardening

Tenth Planet Has A Moon
The newly discovered 10th planet, 2003 UB313, is looking more and more like one of the solar system's major players. It has the heft of a real planet (latest estimates put it at about 20 percent larger than Pluto), a catchy code name (Xena, after the TV warrior princess), and a Guinness Book-ish record of its own (at about 97 astronomical units-or 9 billion miles from the sun-it is the solar system's farthest detected object). And, astronomers from the California Institute of Technology and their colleagues have now discovered, it has a moon.

Mercury Emissions From US Fires Surprisingly High
Fires in the US release about 30 percent as much mercury as the nation's industrial sources, according to initial estimates by NCAR scientists. Fires in Alaska, California, Oregon, Louisiana, and Florida emit particularly large quantities, and the Southeast emits more than any other region, according to the new study.

Sleek Canon a Convergence of Bangin' Stills and Lush Video
With the EOS 5D Mark II, Canon has figured out how to seamlessly meld video and stills. A mighty Digic 4 processor and full-frame 21-megapixel sensor are only two of this beauty's superior qualities.


Spirituality, Religious Practice May Slow Progression Of Alzheimer's D
Spirituality and the practice of religion may help slow the progression of Alzheimer's disease, according to research that will be presented at the American Academy of Neurology 57th Annual Meeting in Miami Beach.

The Role of the Wildlife Rehabilitator in Disaster Preparedness and Re
This paper explores how government and private agencies help animals after a disaster, the problems wildlife can pose for disaster and relief workers, how disasters affect wild animals and what behavior can result, how wildlife rehabilitators fit "into the capture, medical care and temporary sheltering of wildlife,"and how to help the public avoid injury from and provide assistance to wild animals. From the disaster manager for the Humane Society of the United States (HSUS).




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