Planetary Alignment Myth
A NASA scientist de-bunks the myth that an alignment of the planets affects gravity on earth.
Why Is It?
Melatonin and Jet Lag
A listener asks: Can melatonin really help decrease jet lag?
Reading in Dim Light
In this episode our new series Reality Check: Does reading in dim light ruin your eyes?
Compact Fluorescent Lightbulbs
The amount of mercury in a CFL bulb does not pose much of an environmental hazard.
Hungry Mosquitoes
Mosquitoes find their prey by following plumes of carbon dioxide.