|
Author Question: Emily is trying to decide between two doctors: one is female and one is male. Research on how ... (Read 23 times) |
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.
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
Asthma cases in Americans are about 75% higher today than they were in 1980.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.