Keep the Flag High, Son, Keep the Flag High!

Teen Births Keep American Crime High

The United States has a teenage birth rate that is high relative to that of other developed countries, and falling more slowly. Children of teenagers may experience difficult childhoods and hence be more likely to commit crimes subsequently. I assess to what extent lagged teen birth rates can explain why the United States had the highest developed country crime rates in the 1980s, and why US ra...

Do Teen Births Keep American Crime High?

The United States has a high teenage birth rate relative to other developed countries. Children of teenagers experience more difficult childhoods than children born to other mothers, and hence may be more likely to commit crimes subsequently. I assess to what extent international patterns in teen birth rates can explain why the United States had the highest crime rates of developed countries in...

Tuberculosis in the elderly: Keep a high index of suspicion

Elderly persons with active tuberculosis may present with the classic features, such as cough, hemoptysis, and fever, but some patients present with less typical signs, such as hepatosplenomegaly, liver function abnormalities, and anemia. A high index of suspicion is required when a patient presents with cough or pneumonia unresponsive to conventional therapy. Acid-fast smear and mycobacterial ...

The affine flag variety

The French Flag Model

The French flag model represents how embryonic cells receive and respond to genetic information and subsequently differentiate into patterns. Created by Lewis Wolpert [5] in the late 1960?s, the model uses the French tricolor flag as visual representation to show how embryonic cells can interpret genetic code to create the same pattern even when certain pieces of the embryo are removed. Wolpert...