The ancient terror crocodile, Deinosuchus, was a fearsome predator that roamed North America around 82 to 75 million years ago. This giant reptile had a body nearly as long as a bus and teeth the size of bananas. It was known for its wide, long skull with a unique, bulbous lump, unlike any other crocodilian. Fossil evidence suggests that Deinosuchus hunted or scaveng...

Enzymes are the body's tiny workers, speeding up chemical reactions. Scientists have long used tools to compare enzymes based on their sequence, structure, and reactions. This helps them group enzymes into families and understand how they evolve. However, until recently, there was no way to compare the actual steps of how enzymes work. This is a big deal because ...