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Author Question: Which structure of the eye is responsible for detecting light? a. pupil b. iris c. retina d. ... (Read 61 times) |
The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.