A new study provides a fundamental understanding of the diversification of small molecules called respiratory quinones and its adaptive consequences in bacterial species. Bioengineers specifically ...

Respiration is the physiological process through which oxygen in the environment can be exchanged with carbon dioxide from an organism. This process requires specialized organs such as the lungs or ...

Can exercise lower cortisol? A randomized clinical trial reveals that a year of aerobic activity reduces stress hormones and ...

Nascimur uno modo, multis morimu ('in one way we are born, in many ways we die'), and there is probably no single way to age. Indeed, so far there is no single accepted explanation or mechanism of ...

Explore 25 biology facts the future will forget as science evolves. From DNA's 'blueprint' to mitochondria's 'powerhouse,' ...

Opioid dependence, characterized by high relapse rates and substantial social harm, represents a major global public health ...

Apr. 7, 2026 A gene called KLF5 may be a key force behind the spread of pancreatic cancer—but not in the way scientists expected. Rather than mutating DNA, it rewires how genes are turned on and off, ...