Exercises to Avoid. While most exercises are safe during early pregnancy, you should avoid certain activities all together. Avoid contact sports such as rugby, tackle football or wrestling during pregnancy. Additionally, stay away from activities with a high fall risk such as downhill skiing and skating.
Fred Hoyle (and others) proposed a Steady State Theory (indeed, it was good ol' Fred who is credited with creating the term 'Big Bang' - ironically, he meant it disparagingly); it pretty much disappeared once serious study of the cosmic (background) (microwave) (radiation) - CMBR, or CMB, or ... - got under way.
Gottfried Leibniz was a German polymath who made many influential contributions to the development of computers. Among them are binary, an early calculator known as the Stepped Reckoner, and algorithmic information theory; some of his ideas anticipated the idea of the Turing Machine, all important concepts in the history of computer technology.