Apple has introduced Apple Watch Ultra 2, bringing new features to its most rugged smartwatch. According to Apple, it offers all of the features users have come to expect, plus: the new S9 SiP, a new ...

Alex Hutchinson is a National Magazine Award-winning journalist and Outside’s Sweat Science columnist, covering the latest research on endurance and outdoor sports. New perk: Easily find new routes ...

Sleep at altitude from the comfort of your own bed. Hypoxico’s altitude tent allows you to simulate high altitude conditions from your own home, promoting physiological adaptation prior to a big ...

Diversity and Distributions, Vol. 27, No. 3 (March 2021), pp. 485-496 (12 pages) Aim: We propose that forest trees create a vertical dimension for ecological niche variation that generates different ...