|
|
The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.
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).
In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
![Effects of Estradiol and Testosterone on Interfemale Aggression in Rats (Based on data from van de P](https://biology-forums.com/gallery/47/medium_349322_17_05_15_7_35_33_217041104.jpeg)
![Students rated their grandparents on a scale from 1 to 4 based on emotional closeness, time spent ...](https://biology-forums.com/gallery/47/medium_660365_23_12_16_3_52_06_24360827.jpeg)