Aminoacyl-tRNA synthetases play a fundamental role in protein translation, linking transfer RNAs to their cognate amino acids. But in the hundreds of millions of years that they’ve existed, these ...

Like most vertebrates, humans only have one heart, which is usually located near the front and middle of the chest, slightly ...

Sept 15 (Reuters) - Scientists in Australia have unearthed beautifully preserved fossilized hearts and other internal organs of ancient armored fish in a discovery that provides insight into the ...

The body position of the American grasshopper strongly affects its physiological responses, according to a study. In vertebrates, the circulatory system rapidly responds to changes in body position to ...