Do moose have antlers, or horns? What about deer? Watch this video to figure out this small, yet important difference.

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Dr. Mastromonaco, reproductive biotechnologist, discusses the math and science behind reproduction at the Toronto Zoo & advice to students interested in pursuing a career in biotechnology. Video courtesy vroc.ca

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This video looks at how the sex of an offspring is determined in humans and other organisms. The role of genetics is the most important factor for some but not all. In some species external factors such as temperature are the determining factor. (5:45 min.)

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Male pregnancy? Yep. That's right. Learn about one of the only known cases of male pregnancy in the animal kingdom and its dark side!

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Forensic entomologist Dr. Lee Goff explains how flies became the star witnesses in a murder case.

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Learn how and why some fish have the ability to switch sexes!

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As far as vacation souvenirs go, bed bugs suck — literally. Infestations of these blood-sucking insects are on the rise, and they can easily hitch a ride home in your luggage. Here’s a crash course in bed bug biology and some tips.

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Have you ever heard the saying: “You are what you eat”? This saying is especially true for Monarch butterflies.

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The feminization of fish is a problem that has been observed around the globe in freshwater and marine systems. What does this mean and why is it happening?

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