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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.
A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.
The longest a person has survived after a heart transplant is 24 years.
The familiar sounds of your heart are made by the heart's valves as they open and close.
Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.
![During their annual migration, the entire population of Arctic terns move from the Arctic Ocean in t](https://biology-forums.com/gallery/47/medium_33_22_09_11_9_37_27_1802877.jpeg)
![A 6-point socket fits the head of a bolt or nut on all sides. A 12-point socket can round off the ...](https://biology-forums.com/gallery/29/medium_548020_25_05_17_2_35_59_294071259.png)