The horizontal fraction bar was introduced by the Arabs.
Did you know?
Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.
Did you know?
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
Did you know?
The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Major structures of the human brain.
Pectoralis major
Probability of Major Depression as a Function of 5-HTT Allele and Levels of Maltreatment ...
(C) Locations of the major veins.
In a metallurgical process the mineral pyrite, FeS2, is roasted in air: FeS2 + O2 Fe2O3 + ...