With a pendulum-based apparatus for timing a subject’s response to the sight of a disc of paper or the sound of a hammer ... people who react faster are smarter. That’s why, even though ...

In high-stakes tree work, silence often speaks louder than gear. With no helmets and only locked eyes to coordinate, this ...

Morning light conditions before waking up can impact how restful your sleep feels. Sleep is an essential part of daily life, yet modern lifestyles and constant exposure to technology have led to ...

Our expert, award-winning staff selects the products we cover and rigorously researches and tests our top picks. If you buy through our links, we may get a commission. Jon Reed is a senior editor ...