1840

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

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

Years: 1835 1836 1837 1838 1839 - 1840 - 1841 1842 1843 1844 1845


Table of contents
1 Events
2 Arts, Sciences, Literature and Philosophy
3 Births
4 Deaths
5 Heads of states

Events

Arts, Sciences, Literature and Philosophy

Births

Deaths

Heads of states



In the News

Surprising New Species Of Light-harvesting Bacterium Discovered In Yel
In the hot springs of Yellowstone National Park, researchers have discovered a novel chlorophyll-producing bacterium that transforms light into chemical energy. The researchers also discovered that the new genus and species belongs to a new phylum, Acidobacteria -- only the third time in the past 100 years that a new bacterial phylum has been added to the list of those with chlorophyll-producing members, of which there are now only six.

Words influence infants' cognition from first months of life
Researchers have found that even before infants begin to speak, words play an important role in their cognition. For 3-month-old infants, words influence performance in a cognitive task in a way that goes beyond the influence of other kinds of sounds, including musical tones.

[Odd] A Romanian couple has named their son Yahoo as a sign of gratitu
Daily Libertatea said on Thursday Cornelia and Nonu Dragoman, both from Transylvania, met and decided they were meant for each other following a three-month relationship over the net.They married and had a baby this Christmas, whom they decided to name after one of the worldwide web's most popular portals."We named him Lucian Yahoo after my father and the net, the main beacon of my life,"Cornelia Dragoman was quoted as saying.

Researchers Pave The Way For Effective Liver Treatments
A combination of bioengineering and medical research has led to a new discovery that could pave the way for more effective treatments for liver disease.

CIA Gets in Your Face(book)
Want a job recruiting secret sources and working undercover in exotic overseas locations? Head to the CIA's Facebook page. By Chaddus Bruce.

Non-GMO Solution To Seafood Allergies
Seafood allergy sufferers may soon be able to eat prawns without the fear of an adverse reaction. Chinese scientists have taken a promising step towards removing from prawns the proteins that cause an allergic response without resorting to genetic manipulation, reports Lisa Richards in Chemistry &Industry, the magazine of the Society of Chemical Industry.

Surplus of serotonin receptors may explain failure of antidepressants
An excess of one type of serotonin receptor in the center of the brain may explain why antidepressants fail to relieve symptoms of depression for 50 percent of patients, a new study shows. The study is the first to find a causal link between receptor number and antidepressant treatment and may lead to more personalized treatment.

Secrets Of Insect Flight Revealed: Modeling The Aerodynamic Secrets Of
Researchers are one step closer to creating a micro-aircraft that flies with the maneuverability and energy efficiency of an insect after decoding the aerodynamic secrets of insect flight.

Bill Brandt: A Centenary Retrospective
This site is a companion to an exhibit that celebrated "the centenary of the birth of Bill Brandt (1904-1983), Britain's best-loved photographer of modern times."It features a biography, images of selected photographs (such as people sheltering in the subway and of celebrities), and a description of his working methods. Also includes a bibliography and links to sites about related photographers of the 20th century. From the Victoria and Albert (V&A) Museum in London.

Mood Lighting: Penn Researchers Determine Role Of Serotonin In Modulat
Researchers at the University of Pennsylvania School of Medicine have determined how serotonin decreases the body's sensitivity to light and that exposure to constant darkness leads to a decrease in serotonin levels in the brain of fruit flies. These findings suggest that serotonin may play a role in maintaining circadian rhythm, as well as modulating light-related disorders such as seasonal affective disorder (SAD).




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