Modern research on secondary metabolites from microbes, plants and marine organisms has revealed a remarkable diversity of chemical structures and bioactivities with broad applications in biotechnology, agriculture and medicine. Most natural products are composed of primary biogenic elements such as carbon, hydrogen, nitrogen and oxygen.
Source: Science – Space – phys
The waxing gibbous Moon is pictured above Earth from the International Space Station as it orbited 264 miles above a partly cloudy Indian Ocean southeast of Madagascar.
Color-changing mood rings, forehead fever strips and car-shade indicators all change hues as they warm and cool, thanks to a phenomenon called thermochromism. On a smaller scale, thermochromism is used in nanotechnologies like sensors, electronics and computing. These applications require…
Ever feel uncomfortable when a payment screen asks for a tip? We sure have. As tipping prompts become more widespread, more consumers are feeling uneasy or frustrated, but not always sure why.
