C-40 aircraft history took years to develop. The military has the tendency to use its cargo and passenger aircraft for long periods of time. However, by the 1990s, it was apparent that its previous workhorse, the C-9 Skytrain II, was in need of replacement. Enter the Boeing 737 as the Clipper.

From the first hot air balloons launched by the Montgolfier Brothers to the tragic disappearance of Amelia Earhart, the history of aircraft pilots holds great adventure and mystery that influences generations of aviation amateurs and professionals.

Socially responsible investing is a strategy that allows an investor to maximize financial returns, while doing social good. Also known as sustainable or ethical investing, the concept usually relates to the actions of corporate practices, environmental protection and consumer rights.

Beyond simple laboratory research dealing with test tubes and Petri dishes, many jobs in genetics offer a chance to work with animals. Occupations for animal genetics vary depending on the particular discipline and take the form of anything from breeding to genetic engineering.

Rheumatic fever is a condition caused by the advancement of streptococcal infections such as strep throat or scarlet fever. There are a number of complications of rheumatic fever that can occur from the inflammation, most notably damage to various parts of the heart.