Zone 2 training is cardio done at a steady, low intensity. It has benefits for aerobic training (so you can run faster), anaerobic training (helping you to recover faster between reps and sets, or ...

You are taught early in science that oxygen on Earth comes from sunlight. Plants, algae, and cyanobacteria use light to split water and release oxygen, shaping the atmosphere and making complex life ...

VO2max is a measure of cardiovascular fitness, and many watches and fitness trackers can estimate it for you. Here's what you ...

Discover how professional racing engine diagnostics reveal hidden problems in your car. Expert insights from Miami's advanced auto repair specialists.

The improvement is already helping marine life rebound, with more fish and other species returning to the body of water. Reiners' son made guests uneasy at party day before his parents were found dead ...

Akshaye Khanna faced a sudden health scare in Ladakh when his oxygen levels dropped on the set of Dhurandhar. Here's what happened and how the team responded. Bollywood actor Akshaye Khanna sent a ...

Scientists sent hurricane-level floods into a Maryland forest to find out what extreme weather and sea-level rise mean for coastal woodlands Kristen Goodhue PNNL Earth scientist Peter Regier (left) ...