/oss/taxonomy/term/2062/all en /oss/article/general-science/how-do-erasers-work <p>These days we are accustomed to pressing the delete key and a word on the screen disappears, ready to be replaced by a few keystrokes. But that doesn't mean pencils and erasers have disappeared. On multiple-choice exams, little circles are still coloured in with pencils and if a mistake is made, an eraser is needed. Let's glimpse into their history...</p> Thu, 09 Jun 2022 20:52:06 +0000 Joe Schwarcz PhD 9132 at /oss /oss/article/controversial-science-environment-health-news-toxicity/phthalates-and-microwave-ovens <p>It always pays to read the study! It really does, because popular accounts often misinterpret what researchers actually found and end up raising undue alarm. Of course it is raising the red flag of alarm that gets attention, and these days, with all sorts of bloggers scooting around to popularize their websites hoping to recruit advertisers, getting attention is what it is all about.</p> Sun, 20 Sep 2015 11:48:18 +0000 Joe Schwarcz PhD 2284 at /oss