Air Methods Corp. provides air medical transportation services throughout the United States and design, manufacture, and install medical aircraft interiors and other aerospace and medical transport ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

Troy Segal is an editor and writer. She has 20+ years of experience covering personal finance, wealth management, and business news. Toby Walters is a financial writer, investor, and lifelong learner.

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 ...

We developed an optogenetic tool based on tetanus neurotoxin — a protease that cleaves the synaptic vesicle fusion protein VAMP2 to inhibit neurotransmitter release. We show that this light-controlled ...

Some divalent cation soaps are known to exhibit a body-centred cubic phase at high temperatures. X-ray crystallography now shows that the polar groups (cations and carbonyl groups) are arranged so as ...