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.
4.4-billion-year-old zircon crystal fragment is oldest piece of Earth ever found. Cathodoluminescence image of a 400-mm zircon found in Australia. Tests show it is the oldest known fragment ever found on Earth, about 4.4 billion years old. To put it mildly, this is one gem of a gem. Scientists using two different age-determining techniques have shown that a tiny zircon crystal found on a sheep ranch in western Australia dates back to 4.4 billion years ago. This is the oldest reliably dated piece of the Earth that we have, that anyone knows of, John Valley told CBS News.