|
|
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.
Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).
Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.
![Comparison of small subunit rRNA gene sequences of vertebrate, invertebrate chordate, and invertebra](https://biology-forums.com/gallery/47/medium_33_23_07_11_3_51_51.jpeg)
![Volvulus. A volvulus results when the small intestine twists, causing an obstruction that can lead t](https://biology-forums.com/gallery/47/medium_14755_26_10_12_5_23_54_96901380.jpeg)