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Author Question: You go to the local science centre and, after losing track of your twin sons, you eventually find ... (Read 36 times) |
Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.
It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.
Vaccines prevent between 2.5 and 4 million deaths every year.
In 1864, the first barbiturate (barbituric acid) was synthesized.