Faculty of Science news
The federal government is considering new restrictions that may prevent food manufacturers from labelling processed meat products as “natural” if they contain cultured celery extract, a preserving agent that is a source of potentially unhealthy nitrates and nitrites.
(Joe Schwarcz) The "beep - beep - beep" sounded innocent enough, but it shook America to its very core. Why? Because it was coming from outer space!
Le réchauffement climatique fait «fondre» le pergélisol. En Arctique, les effets des changements de température soudains sur la vie microbienne, ainsi que sur les échanges biologiques et chimiques des nutriments, sont encore peu étudiés.
Talk about a viral idea. Vibrant reds, blues, greens and yellows have been made without any dye or paint. Instead the colours arise from an intricate pattern of virus particles that reflects only certain wavelengths of light.
Bacon, hot dogs, deli meats and other processed meats have long been considered guilty-pleasure foods that contain unhealthy preservatives, additives and any number of chemical ingredients. Now, food companies are trying to change that image by creating “natural” lines of processed meat products from real ingredients with no added preservatives.
A five-point plan to double our food supply faces serious obstacles, often because people don't want to give up what they have. When you take a satellite's-eye view, the world's food problem comes into clear focus: The planet's best agricultural land is not necessarily where the most people live.
(Chemistry professor Joe Schwarcz): Thanks to chemical ingenuity, we lead a colourful life. Synthetic dyes have served up a feast for the eyes but they may leave us starving for good health.
…Crows are unpopular, with good reason. They are obnoxious bird bullies with shrill voices, scattering trash and gumming up eavestroughs with their detritus. But perhaps our scorn springs from a deeper source.
…La plupart des physiciens sont toutefois sceptiques et croient plutôt à une erreur systématique, à une imprécision dans les mesures, voire à une incompréhension d'un élément qui nous échappe encore.
Most of us believe we are rational decision makers. But medical decisions are especially complex, thanks to the numerous unknowns and the uniqueness of each person’s body.