Cogito ergo sum

The Latin phrase cogito ergo sum, or "I think, therefore I am" meaning "I doubt, therefore I know", is possibly the single widest-known philosophical statement, and is due to Rene Descartes.

In his book Meditations on First Philosophy, Descartes attempted to build up an entire philosophical system from scratch, with no prior assumptions. In order to begin this undertaking, he reasoned that since all his beliefs were derived from potentially misleading sense data or potentially fallacious logic, he would trust nothing he had previously taken to be true. That is to say, he would systematically doubt all that could conceivably be doubted. However, this led him to discover that the one thing that he could not doubt was his own existence. After all, he claimed, something nonexistent is incapable even of the act of doubting. Thus the formulation, "I think, therefore I am", was the starting point of his philosophy.



In the News

'Good' Bacteria Could Save Patients From Infection Infection By Deadli
Can it be that the stress on the use of antiseptics and antibiotics in hospitals is actually putting patients at a greater risk of suffering fatal bacterial infection? Yes, argues Mark Spigelman, a visiting professor at the Sanford F. Kuvin Center for the Study of Infectious and Tropical Diseases at the Hebrew University of Jerusalem's Faculty of Medicine.

IACP Cookbook Awards
Find lists of the winners of this award (previously known as the Tastemaker Awards) for outstanding cookbooks. Includes cookbooks in categories such as bread and baking, food reference, chefs and restaurants, health and diet, and best first book (the Julia Child Award). Features current award winners and finalists, and an archive of winners back to 1986. From the International Association of Culinary Professionals (IACP).

Gene Deficiency Is A Protective Barrier To Obesity
A search for the molecular clues of longevity has taken Mayo Clinic researchers down another path that could explain why some people who consume excessive calories don't gain weight. The study, which was done in laboratory mouse models, points to the absence of a gene called CD38. When absent, the gene prevented mice on high-fat diets from gaining weight, but when present, the mice became obese.

High-dose Ibuprofen May Slow Cystic Fibrosis Lung Disease -- Especiall
The most important clinical problem for people with cystic fibrosis is inflammation of their lungs. The inflammation then plays a role in further damaging the tissues. Consequently, people have wondered whether giving non-steroidal anti-inflammatory drugs (NSAIDs) to patients with CF will reduce lung inflammation. Long-term high-dose ibuprofen may slow the rate of decline in lung function in children with cystic fibrosis when treatment is started under the age of 13.

The Boy King Returns: Tutankhamun and the Golden Age of the Pharaohs
"Learn about the new King Tut exhibition opening in June 2005 that will tour U.S. museums for 27 months, [and] view a gallery of artifacts on display."The "Unraveling the Mysteries"section includes images of Tut's tomb, CT scan imagery of the interior of the King Tut mummy, and images of the many layers of shrines and coffins in which King Tut was entombed. Also includes links to related articles. From the National Geographic Society.

The Online NewsHour: Vote 2006
Background, news, and analysis about the November 2006 elections, with coverage of U.S. House and Senate and state governor races. Features profiles of candidates, reports related to the candidates and races, overviews of key issues (such as Iraq and gay marriage) and lesson plans and other material for students and teachers. From Online NewsHour, a Public Broadcasting Service (PBS) program.

Home Is Where the EKG Is
If money were no object, advanced medical tools could make interesting furnishings -- from dental chairs to eraser beams -- but don't try this at home. By Steve Knopper from Wired magazine.

Many Children Discontinuing Use Of ADHD Medication
Social stigma and feeling lifeless and/or alienated from one's peers are some of the reasons why children and adolescents stop taking prescription stimulant medications used to treat attention deficit-hyperactivity disorder (ADHD), according to a new study published in the Journal for Specialists in Pediatric Nursing.

'Virtual' Asthma Clinic Helps Patients Manage Disease Online
An online asthma management program can help asthma patients get top-rate care and overcome barriers to healthcare access, according to a study to be presented at the American Thoracic Society International Conference on May 22 in San Diego.

Biochip Designed To Guarantee Safety In Blood Transfusions
A Basque biotechnology company has introduced a DNA biochip, known as BLOODchip, which greatly eliminates the risk of adverse reactions due to incompatibility in blood groups between donor and receptor in blood transfusions.


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