|
|
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.
Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
![Vertical structuring of the oceans is associated with substantial variation in light and temperature](https://biology-forums.com/gallery/47/medium_33_28_08_11_12_10_59_15832485.jpeg)
![Young male Pacific Walruses on Cape Pierce in Alaska. Note the variation in the curvature and orient](https://biology-forums.com/gallery/47/medium_27599_22_04_12_7_15_08.jpeg)
![A flat-tip (straight-blade) screwdriver. The width of the blade should match the width of the slot ...](https://biology-forums.com/gallery/29/medium_548020_25_05_17_2_36_01_29412663.png)