Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Did you know?
Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.
Did you know?
Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
Did you know?
Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.
Did you know?
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
A fossil leaf in low-grade coal
Our Environment
The relative influence of heredity and the environment in human behavior has fascinated and plagued ...
Human Activities and the Environment
The PharmGKB Knowledge Pyramid
The gas division of Power-U-Up plans to introduce a new gas delivery system based on the ...