Most animals reach an adult size, then spend the rest of their lives maintaining it. After maturity, their energy goes toward reproduction, repair, and survival rather than added length or mass. Yet a ...

In the largest study of its kind, scientists have accurately documented the massive change in animal morphology over the last 1,000 years, with domesticated animals growing larger across the board and ...

As a teenager in the 1970s, I worked on a typical dairy farm in England. Fifty cows grazed on lush pastures for most of their long lives, each producing about 12 liters of milk daily. They were loved ...