|
|
Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.
Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.
Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
![Cade and colleagues discovered a way to improve athletic performance and prevent salt and water imba](https://biology-forums.com/gallery/47/medium_33_01_08_11_10_39_57_12791151.jpeg)
![The percentage of never-married men and women decreases with age, and by the age of 65, more than ...](https://biology-forums.com/gallery/47/medium_660365_23_12_16_3_52_08_243731791.jpeg)