Traveling at high altitude can be hazardous. The information provided here is designed for educational use only and is not a substitute for specific training or experience. Princeton University and ...

HELSINKI — A Chinese state-owned company performed a rocket flight aimed at testing reentry ... intended to build on a successful 12-kilometer-altitude vertical takeoff, vertical landing ...

While high altitudes can cause headaches and nausea, these usually occur in people who visit or live in high-altitude locations ... With air flight, planes typically fly 30,000 or more feet ...

1 Physiological Research Group of the Ministry of Railroad, Beijing, People's Republic of China 2 National Key Laboratory of High Altitude Medicine, High Altitude Medical Research Institute, Qinghai, ...

Chiefs quarterback Patrick Mahomes has a specific look on the field, and one thing fans noticed on Super Bowl Sunday was his helmet. The thing that annoys me the most about Mahomes is how high his ...

High school basketball: Southern Section playoff pairings for boys’ and girls’ brackets. The Southern Section unveiled a new basketball playoff format using computer algorithms and some teams with ...

Today's options have developed into high-tech marvels that not only keep those who ride safe but comfortable and offer a variety of functions to make the experience even better. Modern helmets ...

WASHINGTON (TNND) — The Army Black Hawk helicopter that collided with an American Airlines passenger plane was flying too high, according to the National Transportation Safety Board (NTSB). The flight ...

The big picture: The team announced its philanthropic arm will donate more than 15,000 new Riddell Axiom smart helmets to all 277 high schools in Colorado. The Broncos partnered with the brand ...

When the Friday night lights turn on this fall, high school football players across the state will have new technologically advanced helmets thanks to the Denver Broncos. On Tuesday morning, the ...

Sporty helmets are aerodynamic and often aggressively styled. They are designed to be stable at high speed and often (but not always) have very high protective qualities due to the speeds reached ...