Is there a limit to how fast people can run a marathon? Will the two-hour mark ever be beat? Everyday Einstein explains what the research says.

Scientists have not been able to identify a specific chemical that communicates fear. However, there have been a range of studies that suggest we can use smells to transfer information including whether or not we are afraid.

“Wake up!” A simple shout out from one astronomer to another kicked off a fast-paced international collaboration which led to one of the most important leaps forward in our understanding of our universe in recent history.

Why can't I remember where I left my car keys? Let's explore how our memory works and discuss some tips on how to improve it.

Holli Kohl from NASA GLOBE sits down with Everyday Einstein to discuss the power of citizen science, the role of clouds in our Earth's ecosystem, and how we can use a simple app to monitor our own air quality while contributing to NASA research.