Delegates from 171 countries and several hundred civic groups are meeting next week in Uruguay to discuss ways to reduce tobacco consumption around the world. A controversial report published on the eve of the meeting says some of the proposed measur...
Orchids are botany's great mimics, all in the service of getting pollinated. Some have evolved to resemble female wasps to attract males. Others produce odors that smell like potential mates or like more attractive flowers. Now a study published in t...