Safe Patient Handling Toolkit - 2011 Edition11 â¢ Put the bed at the correct height (waist level when pro-viding care; hip level when moving a patient .) â¢ Try to keep the work directly in front of you to avoid rotating your spine . â¢ Keep the patient as close to you as possible to minimize reaching or overstretching .
Chemical elements listed by the discovery year. For chemistry students and teachers: The tabular chart on the right is arranged by the discovery year. The oldest chemical element is Phosphorus and the newest element is Hassium. Please note that the elements do not show their natural relation towards each other as in the Periodic system.
Jack Hills, Australia, where rocks were found to contain the oldest known minerals on Earth, a 4.4 billion-year-old zircon. Credit: John Valley, University of Wisconsin.View full size image. Just three of the very oldest zircons have been found, ones that date back to almost 4.4 billion years ago.y zapping single atoms of lead in a tiny zircon crystal from Australia, researchers have confirmed the crystal is the oldest rock fragment ever found on Earth â 4.375 billion years old, plus or minus 6 million years.