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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.
Did you know?
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.
Did you know?
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").