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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
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.
Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.
Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
The familiar sounds of your heart are made by the heart's valves as they open and close.
![The skeleton of a dwarf elephant from the island of Crete. Dwarf elephants were present on some Medi](https://biology-forums.com/gallery/47/medium_27692_23_04_12_3_17_40.jpeg)
![Jane Goodall pioneered the modern approach to studying primates in the wild, involving close-up obse](https://biology-forums.com/gallery/47/medium_269691_26_01_15_5_55_22_20430326.jpeg)