Category: Contributing

What is the science behind a balloon powered car? The science behind this experiment is all about energy. When the balloon is inflated it stores the compressed air and stretched rubber as potential energy. When you let the air out of the balloon, the potential energy is converted into kinetic energy; this is the energy…

How is a double helix formed? Each molecule of DNA is a double helix formed from two complementary strands of nucleotides held together by hydrogen bonds between G-C and A-T base pairs. Duplication of the genetic information occurs by the use of one DNA strand as a template for formation of a complementary strand. What…

Are Jehovah Witnesses allowed to play sports? Although many young Witnesses do engage in casual recreational sports, the association discourages its members from extensively participating in athletic activities to avoid giving undue importance to sports or recreation. Members are discouraged (but not prohibited) from watching or participating in violent sports. How many Jehovah’s Witnesses are…