1421

Centuries: 14th century - 15th century - 16th century

Decades: 1370s 1380s 1390s 1400s 1410s - 1420s - 1430s 1440s 1450s 1460s 1470s

Years: 1416 1417 1418 1419 1420 - 1421 - 1422 1423 1424 1425 1426


Table of contents
1 Events
2 Births
3 Deaths

Events

  • March 21 - Battle of Baugé - A small French forces surprises and defeats and English force under Henry V's brother, Thomas, Duke of Clarence in Normandy.
  • November 18 - A seawall at the Zuider Zee dike breaks, flooding 72 villages and killing about 10,000 people in the Netherlands.
  • Change of emperor of the Ottoman Empire from Mehmed I (1403-1421) to Murad II (1421-1451)
  • Chinese ships reach the North American continent, according to amateur historian Gavin Menzies' book, 1421: The Year China Discovered America.

Births

Deaths



In the News

Risk Of Hip Fracture In Postmenopausal Women Rises Steeply With Age
Among postmenopausal women, the risk of hip fractures increases steeply with age and is seven times higher in 70-year-olds than in 50-year-olds, according to a new study.

3-D Forms Link Antibiotic Resistance And Brain Disease
The story of what makes certain types of bacteria resistant to a specific antibiotic has a sub-plot that gives insight into the cause of a rare form of brain degeneration among children, according to investigators at St. Jude Children's Research Hospital.

Can Fruit Flies Help Treat Stroke And Transplant Patients?
Reperfusion injury takes place when an animal or an organ is starved of oxygen, then exposed to oxygen again. This occurs in strokes and organ transplants and causes many deaths per year. Now scientists have discovered that reperfusion injury can be induced in fruit-flies, a convenient, cheap, well-characterized model animal.

Bevacizumab Combined With Chemotherapy Prolongs Survival For Some Pati
Preliminary results from a large, randomized clinical trial for patients with previously untreated advanced non-squamous, non-small cell lung cancer show that those patients who received bevacizumab (AvastinTM) in combination with standard chemotherapy lived longer than patients who received the same chemotherapy without bevacizumab.

Consumer and Media Alert: The Small Print That's Devastating Major Con
This 2003 article discusses the use of mandatory arbitration clauses (which preclude a resort to a court of law) to govern the resolution of disputes arising under many types of consumer contracts. The article notes that such clauses may appear in "loans, phone bills, home construction and repair contracts, stock brokerage agreements, pest-control contracts, bank depositors' agreements, college loans, mobile home purchases, [and] employment agreements."From the National Consumer Law Center (NCLC).

Chocolate: The Exhibition
This companion site to an exhibit at the Field Museum of Natural History (Chicago) looks at the history of chocolate, the cacao tree and cacao farming, chocolate processing, eating chocolate, and related topics. Includes recipes, a bibliography, activities for children (including a recipe for chocolate modeling clay), and classroom resources.

Terri Schiavo Case: Legal Issues Involving Healthcare Directives, Deat
Compilation of documents and links to information about the court case involving Terri Schiavo, the Florida patient whose feeding tube was removed in March 2005. Topics include legal documents, living wills, the lawyers involved, related cases, power of attorney and health care directives, and commentary. Includes links to related sites. From FindLaw.

Drug reduces risk of prostate cancer diagnosis in high-risk men
A drug already prescribed to shrink benign, enlarged prostates has been shown to reduce the risk of a prostate cancer diagnosis by 23 percent in men with an increased risk of the disease, a large international trial has found. The four-year study found that dutasteride (Avodart) significantly reduced the chances that men would be diagnosed with the kinds of tumors that are most often treated excessively.

Genetic Associations From Genome-wide Scan For Cardiovascular Disease
Researchers have completed analyses of a genome-wide scan on a group of two generations of participants from the landmark Framingham Heart Study. The analyses examine genetic differences that potentially affect the risk for cardiovascular disease and other disorders using data collected from FHS.

Scientists torn between cash and kudos
With ailing banks propped up by billions in taxpayers’ money and nations rolling through the mud of economic recession is it any surprise that we get mightily frustrated to hear of their enormous bonuses and golden pension pots? Of course not… But, here’s a thought…As the lines drawn between commercial and academic research become increasingly [...]

Scientists torn between cash and kudos is a post from: Sciencebase Science Blog




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