Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Airbus A320-family overtakes Boeing 737 in total deliveries Milestone follows fierce competition in busiest part of market Airbus narrow-body jet was launched in 1984, first flew in 1987 Both ...

Test your broadband connection speed. Our speedtest works on the vast majority of web browsers and devices, including computers, tablets, phones and games consoles. If you are experiencing ...

What Is an Anion Gap? The anion gap test measures anion gap (sometimes called serum anion gap) or how much acid is in your blood. Acid levels that are higher or lower than normal can tip your doctor ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Journalist - Steven has a varied background in communications, and it was this passion for writing combined with his in-depth knowledge of the aviation industry that led him to Simple Flying. A keen ...

The Fukuda Step Test helps assess balance and potential vestibular weakness. During the test, you step in place with eyes closed, and a turn of 45 degrees after 100 steps indicates vestibular weakness ...

Abstract: The article is aimed at the evaluation of the domestic airlines 737NG landing distance. It focuses on the requirements of relevant domestic and foreign regulations, the evaluation methods of ...

A graduate in German, Jake has a passion for history and regional aviation, and enjoys sampling new carriers and aircraft. He has visited OEM facilities as far and wide as Bristol, Toulouse, and ...

A calcium blood test measures the total calcium level in your bloodstream, which includes both bound and unbound calcium. A normal blood calcium level is between 8.5 and 10.5 mg/dL, but levels can ...

A United Boeing 757-200, registration N12125 performing flight UA-2428 from Newark,NJ to San Francisco,CA (USA), was enroute when the crew responded to a TCAS resolution advisory. The aircraft ...