Let鈥檚 crow about crows. They are smart birds. In Australia they have learned to feast on the repugnant cane toads that other animals avoid because of the toxin they secret from from glands above...
You know how we (humans) have eyeballs? Well, owls don鈥檛. They have eye tubes or cylinders, rod-shaped eyes that do not move in their sockets as eyeballs do. Instead, owls have to move their bodies...
Khat is a plant native to Africa that when chewed produces a stimulant effect, similar to amphetamines. It鈥檚 regulated in several countries (including Canada) and its use actually predates the...
Technically the term is cloacal respiration, and it鈥檚 not so much breathing as just diffusing oxygen in and carbon dioxide out, but the fact remains: when turtles hibernate, their main source of...
You might think sugar only sweetens your favourite cupcakes, but it actually plays a couple of other roles as well. The Maillard reaction聽for example, which is聽responsible for many of the...
It turns out聽berry is actually a botanical term, not a common English one. Blackberries, mulberries, and raspberries are not berries at all, but bananas, pumpkins, avocados and cucumbers are. So...
If you have avoided having poinsettias in your home because of small children or animals, you鈥檙e not alone. But despite the commonly held belief that poinsettias are toxic, they aren鈥檛. This myth...
If you ask almost anyone if they know what a hard聽drug聽is, they鈥檒l nod enthusiastically. Ask them to define a聽hard vs a soft聽drug聽however and the nodding might stop.
The menstrual cycle of humans is complicated. It consists of a聽luteal聽and聽follicular聽phase, follows a roughly 21-day cycle, and has many effects beyond the shedding of the uterine lining.
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