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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.
Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
![Slide along the bottom of the foot with the fist. Apply from the ball of the foot to the heel. Use ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_1_04_35_330852429.jpeg)
![Apply effleurage over eyelids. Using very light pressure, stroke the closed eyelids with your thumbs ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_3_13_05_331331931.jpeg)
![With the arm placed on the table, apply effleurage over the entire upper limb as a reconnecting and ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_5_30_08_33201329.jpeg)