15th century

(14th century - 15th century - 16th century - other centuries)


Events Significant people Inventions, Discoveries, Introductions Decades and Years

1390s 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399
1400s 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409
1410s 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419
1420s 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429
1430s 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439
1440s 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449
1450s 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459
1460s 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469
1470s 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479
1480s 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489
1490s 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499
1500s 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509



In the News

Celebrating the Holidays in an Interfaith Family
Article about understanding the dilemma and finding and sharing solutions for celebrating winter holidays in families with members of different religious groups. From BabyCenter.

Characteristics Of Increased Risk For Compulsive Gambling Linked To Pa
Patients with Parkinson's disease who are younger when they develop the condition, have a personality trait known as novelty-seeking or whose personal or family history includes alcohol abuse may be more likely to develop pathological gambling as a side effect of medications used to treat their condition, according to a report in the February issue of Archives of Neurology, one of the JAMA/Archives journals.

[Ironic] An Italian pensioner committed suicide after his wife fell in
Recalling the end of Romeo and Juliet, the 70-year-old man, Ettore, who had sat by his wife's bedside for four months after she slipped into a coma following a heart attack, finally gave up hope and gassed himself in the garage of his family home.Less than a day later, his wife, Rossana, woke up in her hospital bed in Padua and immediately asked for him.

Clue Found To Epstein-Barr Virus' Ability To Form And Sustain Tumors
Researchers at the University of Wisconsin School of Medicine and Public Health have found a viral target that opens the door for the development of drugs to destroy tumors caused by Epstein-Barr virus.

Pro-inflammatory Protein Contributes To Crohn's Disease According To U
A pro-inflammatory protein activated by bacteria in the colon plays a key role in the development of experimental colitis in mice -- a mouse-version of human Crohn's disease -- according to research by scientists at the University of California, San Diego (UCSD) School of Medicine.

More Than A Pill: Complementary Medicine Can Help With Chronic Pain
Mr. Jones has chronic back pain. He cannot sleep, bend or stand for long periods of time because of the pain. He cannot lose weight because the pain keeps him from exercising. Jones is a case study in a publication by a University of Missouri-Columbia occupational therapy professor to show that chronic pain can be treated by more than just a pill.

Cedars-Sinai Researchers Demonstrate A New Way To Switch Therapeutic G
A gene therapy research team at Cedars-Sinai Medical Center has developed a new method of signaling therapeutic genes to turn "off"or "on,"a mechanism that could enable scientists to fine-tune genetic- and stem cell-based therapies so that they are safer, more controllable and more effective.

Tumor Suppressor Gene Protects Against Pre-cancerous Development
Cell biologists have provided further evidence that a gene thought to play a role in suppressing tumors actually protects against the development of pre-cancerous cell growth as well. The researchers say that the gene, caveolin-1, which they found in two major types of breast cells, could be a potential target for future drugs aimed at preventing breast cancer. The work also suggests a potentially important role of the tumor "microenvironment"in the cancerous process.

Labor Day Marks Appreciation of U.S. Workers
Background about this U.S. holiday celebrated on the first Monday of each September to commemorate workers. Discusses the holiday's origins, contrasts it with May Day (on which a number of European and other nations celebrate International Workers' Day), and explains how Labor Day has traditionally marked the end of summer with activities such as picnics and barbecues. From the U.S. Department of State's Bureau of International Information Programs.

Optical Breakthrough Makes 'Lab-on-a-Chip' Possible
Georgia Tech researchers have found a way to shrink all the sensing power of sophisticated biosensors -- such as sensors that can detect trace amounts of a chemical in a water supply or a substance in your blood -- onto a single microchip.




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