Did you know?
Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
Did you know?
As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
Did you know?
During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
Did you know?
Approximately 25% of all reported medication errors result from some kind of name confusion.
Did you know?
Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.
Cataract extraction. The procedure involves a surgical removal of a cataract lens and its replacemen
giant wood spider
An experimentally made Oldowan type core.
These illustrations show Ellen Craft, a slave with and without a disguise. She dressed “as a disting
Activated Natural Killer Cell (NK Cell)
Have you wondered what Nutella made of!