The first five years of life are the fastest period of human growth and development as 90 percent of a person’s brain development occurs by the age of five. Investing in the early years helps to break ...

The ammonia then becomes available for uptake by plants and other microorganisms for growth. Ecological Implications of Human Alterations to the Nitrogen Cycle Many human activities have a ...

Each strand of hair has its own life cycle. Growth happens in four stages: anagen, catagen, telogen, and exogen. The hair ...

Human growth hormone (hGH) is linked to muscle mass, weight loss, and increased athletic performance. You produce hGH naturally, but you can also get injections of recombinant growth hormone (rhGH).

Scientists discovered trees use a biological clock to time growth. Changing this clock helps trees grow better and adapt to new environments.

The ammonia then becomes available for uptake by plants and other microorganisms for growth. Ecological Implications of Human Alterations to the Nitrogen Cycle Many human activities have a ...