Meat consumption increasing in Asian markets but decreasing slightly in North American markets o China’s imports for meat are surging to meet demand
37 Chemistry 181 – Lecture Notes Winter 2019 Recommended portion size for red meat: About the size of a deck of cards\ o About 3 ounces; a regular hamburger is 8 ounces o An 8-ounce steak is considered pretty small by North American terms Protein Alternatives McGill students won Hult Prize for plan to transform insects into food Nothing wrong with consuming insects- theyre efficient and protein-rich German cockroaches have 44% of feed vs body substances while beef has 10% Cracked Science Video 1: Dr. Brian Wansik: Author and professor of food science at Cornell He has a blog where he posted a now-deleted blog post o This blog post was about a study he conducted with a hardworking Turkish woman who came to his lab and was given data from a set that came back negative o He told her “there’s gotta be something here we can salvage” o Finally, they managed to get positive results and the study was posted in 5 sceitnfic papers This is emblematic of a larger problem of why so many scientific studies cant be reproduced o If you manipulate scientific data enough, you can always find something 45 of Wansik’s article that have been cited over 4000 times are alleged to contain minor to serious issues The data scientists are conducting this investigation: o Random people like Jordan Anaya found that Wansik’s first paper had weird math stuff going on – he noticed the way numbers were rounded was impossible o Data detectives have programs that can assess mathematical impossibilities o They found 150 inconsistencies and impossibiltiies in Wasnik’s papers Initially, Cornell did not respond to data detectives and when asked, did not want to give up Wasnik’s raw data Eventually conducted an internal review and found that Wasnik’s findings were not scientific misconduct If you look at his CV, you see Wasnik has a Bachelor’s in Business Administration and non- science related postgrad experience The problem is not that Wasnik is entirely wrong; just that we don’t know what is true This is an example of science correcting itself; people who care about honesty and integrity wade through numbers to hold an individual scientist accountable Cracked Science Video 2: Age-related macular degeneration – leading cause of low vision in industrialized world o Is age-related, degenerative, and affects the macula – an area dense with photoreceptors 1/5 Canadians has this disease Scotoma: A blind spot A lot of treatment options: Rehabilitation is an important one o What about carrots? No, they won’t help o Vitamins and supplements These special pills contain AREDS, a combination of vitamins and minerals that can help slow the progression of intermediate to advanced AMD But won’t reverse the course of the disease or prevent it in the irst place o Not everyone responds to AREDS formula
38 Chemistry 181 – Lecture Notes Winter 2019
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