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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.
Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.