While ultramarathoners are capable of huge energy spurts, overall the athletes top out at 2.5 times the metabolic rate needed for basic body functions.

It has remained mysterious for millennia, but we’re finally uncovering the profound role the lymphatic system plays in ...

To keep your legs just as warm outdoors, grab the matching Intraknit thermal Merino base layer bottoms. The women’s style ...

Changes in the fungal mycobiome have also been linked to several gut diseases, including inflammatory bowel disease. Research ...

Talha Burki speaks with Fred Ramsdell, Mary Brunkow, and Shimon Sakaguchi about their Nobel-winning discoveries in peripheral immune tolerance.

A new study from The University of Texas at Arlington has revealed how cells control their mitochondria—the "energy producers ...

Scientists hope to prevent deaths from climate change, but heat and cold are more complicated than we thought.

The fine powder on butterfly wings is actually microscopic scales, crucial for their survival. These scales create vibrant ...

Exertional Heat Stroke is life-threatening and requires immediate whole-body cold-water immersion to prevent multiple organ failure.

Extreme heat impacts on child health and well-being due to immature thermoregulation, less sweating and a high surface-to-body mass ratio that make them more vulnerable to heat-related illness. Severe ...