Can PTSD Become Hereditary?
A glimpse at the epigenetics of post-traumatic stress disorder suggests that the physical markers for PTSD may show up across generations.
PTSD Brain Studies Look at Hippocampus
The hippocampus, a structure inside the brain, shrinks after psychological trauma, which hints that a pharmaceutical cure may address post-traumatic stress disorder.
PTSD’s Trauma Symptoms Ring Out Through Ages
While the term "post-traumatic stress disorder" hints at a modern invention, the ill effects of combat stress have been documented back to the Iliad and Samuel Pepys.
PTSD Affecting More U.S. Soldiers Than British
Why do so many American and so few British soldiers suffer from post-traumatic stress?
High-Speed Rail Will Impact America’s Freight Trains
America's very successful freight train system will have to make some compromises to accommodate high-speed rail, but those needn't be the end of the world.
How High-Speed Rail Died in Texas, Thrived in Spain
In the late 1980s, both Texas and Spain proposed high-speed rail systems: Texas walked away from the idea, while Spain leapt in a little too exuberantly.
High-Speed Rail Can Cover Its Operating Costs
While paying for its hefty infrastructure costs may be ambitious, many high-speed rail systems cover their operating costs and even turn a small operating profit.
California’s High-Speed Rail Won’t Go Nowhere
German high-speed trains started in the provinces, too, but now have a fast, efficient and popular system crisscrossing the nation.
Plugging High-Speed Rail Into Germany’s Power Grid
Using rail lines for the energy grid may help a suddenly nuclear-shy Germany transition to wider use of renewable sources.
Terrorist Attacks on Railroads Would Be Difficult
Past experiences suggest that terrorists who want to derail a train are facing a much more complex task than just leaving a penny on the rail.