Learn all about anaerobic exercise, including how it betters performance and differs from aerobic physical activity.

As Outdoor Action Leaders you are trained in first aid to be able to respond to emergencies on trips. With that training comes the responsibility to respond to other first aid scenarios you may ...

That’s where pulse oximeters come in. These small devices measure your heart rate and SpO₂. They give you another way to understand how your body responds during exercise and recovery. Also, they may ...

Apr. 10, 2026 Scientists have proposed a surprising new way to detect gravitational waves—by observing how they change the light emitted by atoms. These waves can subtly shift photon frequencies in ...