If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

An essential oil is a combination of aromatic chemicals from trees and plants. Traditional cultures have used essential oils and herbs as medicine for thousands of years. Cedarwood essential oil is ...