Imagine waiting for incoming passengers at the arrival gate at the airport. Your visual system can easily find faces and identify whether one of them is your friend's. As with other tasks that our ...

Troy Segal is an editor and writer. She has 20+ years of experience covering personal finance, wealth management, and business news. Michael Boyle is an experienced financial professional with more ...

Over the past decade, I've jammed myself (and my luggage!) into free airport shuttles, slept on my friends' partially deflated air mattresses, and woken up in the wee hours of the morning to catch a ...