1 Click the âInsertâ menu, then click âSymbolâ (if you donât see âSymbolâ but you see an arrow button at the bottom of the menu, click the arrow button). 2  Click the âFontâ dropdown, scroll to the bottom, and click on âWingdingsâ. 3  Scroll to the bottom of the characters list, click the checkmark, and click âInsertâ. Click the âInsertâ menu, then click âSymbolâ (if you donât see âSymbolâ but you see an arrow button at the bottom of the menu, click the arrow button). 2  Click the âFontâ dropdown, scroll to the bottom, and click on âWingdingsâ. 3  Scroll to the bottom of the characters list, click the checkmark, and click âInsertâ.
First isolated by Friedrich Miescher in 1869 and with its molecular structure first identified by James Watson and Francis Crick in 1953, DNA is used by researchers as a molecular tool to explore physical laws and theories, such as the ergodic theorem and the theory of elasticity.
The nucleus is made up of nucleons (neutrons and protons) and it is located at the centre of an atom. Nucleus was discovered by British chemist and physicist Ernest Rutherford in the year 1911.He is known as the father of nuclear physics. In 1908, he won the Noble Prize for his achievements in chemistry.ucleus was discovered by British chemist and physicist Ernest Rutherford in the year 1911. He is known as the father of nuclear physics. In 1908, he won the Noble Prize for his achievements in chemistry.