May 2013 Page ii. EXECUTIVE SUMMARY. Dentistry in the United States is in a period of transformation. The population is aging and. becoming more diverse. The health care delivery system is changing rapidly with the. implementation of the Affordable Care Act. Consumer habits are shifting with Americans.
To get places faster if there legs are tired Penguins slide on their bellies because they have short, thick and dense feet. That makes it hard to walk. According to the inform â¦ ation I have read about, penguins love sliding on their bellies because it's easier to them.
Penguins Do the Wave to Keep Warm. New video of huddling penguins shows the birds do the waveânot to show team spirit but to give each a turn in the toasty center.Video. PUBLISHED. New, sped-up video of an emperor penguin huddle in Antarctica shows the group takes small steps, creating a wave.Researchers say the undulations ensure each penguin a turn in the middle of the cluster, which helps the birds keep warm.Â© 2011 National Geographic; video courtesy Daniel P. Zitterbart/Erlangen University.ew, sped-up video of an emperor penguin huddle in Antarctica shows the group takes small steps, creating a wave. Researchers say the undulations ensure each penguin a turn in the middle of the cluster, which helps the birds keep warm. Â© 2011 National Geographic; video courtesy Daniel P. Zitterbart/Erlangen University.