Flame-retardant chemicals can slow the spread of fire in homes and garments. But are these compounds naughty or nice? This week on Reactions, we ask whether old Saint Nick might want a flame-retardant suit…or choose to opt out. Continue reading
Human brains are complicated – the most complicated thing in the known universe, many people say. So far we understand little – just that certain regions of the brain appear to be involved in certain activities and certain disorders. Continue reading
Fish living in the oceans around Antarctica seem like they should freeze to death. But notothenioids have it all figured out, thanks to the antifreeze proteins in their blood! Continue reading
Add a drop of clear solution to a microscope slide containing a tiny piece of copper and create a beautiful, silver-branched holiday tree that grows before your very eyes! Continue reading
Canadian David Saint-Jacques made his maiden voyage into space, joining Russian and American teammates for a launch from Baikonur, Kazakhstan. Here’s what you need to know
Source: ‘David is an astronaut now’: Canadian blasts off on mission to International Space Station
Since its discovery in 1932, PTC paper has been a popular activity for students studying genetics. It is used to determine the genotypes of individuals, and is bitter tasting. It has been tied to the evolutionary advantage allowing some primates to detect toxins in a potential food. Foods containing PTC like substances may be avoided by tasters (broccoli, water cress).
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