An advance is usually 1/3 of the first print run total royalties. For example, if a book has a print run of 5000 copies and will be sold at $14.95 and the author is to receive 10% royalties, the total sum payable to the author if all copies are sold is $7475 (10% x $14.95 x 5000).
Mayo Clinic researchers have found that a sometimes deadly stomach bug, Clostridium difficile, is on the rise in outpatient settings. Clostridium difficile is a serious bacteria that can cause symptoms ranging from diarrhea to life-threatening inflammation of the colon.
One of few common spiders whose bites can have a seriously harmful effect on humans, the brown recluse has venom that contains a rare protein that can cause a blackened lesion at the site of a bite, or a much less common, but more dangerous, systemic reaction in humans.