Howcast - Learn about the adolescent growth spurts that occur during puberty from Jennifer Wider, M.D. in this Howcast video.

Howcast - Learn how body shape and body fat distribution change in girls going through puberty from Jennifer Wider, M.D. in this Howcast video.

Howcast - Learn how to establish a breastfeeding schedule from lactation consultant Melissa K. Nagin in this Howcast video.

Dr. Algae talks about the bigger appetite that accompanies the growth spurt of an adolescent. He explains the adolescent body’s need for more calories and the healthiest way to satisfy those needs.

NSF-funded Physics Frontiers Centers (PFCs) are pushing the frontiers of science across the disciplines of physics. The Kavli Institute for Cosmological Physics (KICP) tackles the big questions in cosmology — dark matter, dark...

Here are some mental training tips for baseball players who are waiting, anxiously, for their growth spurt to show up. Don't worry - you can get through it.

When a baby is born, how do the doctors, nurses and midwives check that it is healthy? Apart from blood tests and visual inspections in some countries, the easiest way to check a baby is healthy is to weigh it. A low or high birth weight...

Girls are taught all about the changes that happen to their bodies as they transition from child to adult. What is puberty? What are the physical changes associated with puberty? What is menstruation? What are the social and...