You could almost say they are drop-dead gorgeous: when certain female dragonflies are pursued by unwanted suitors, they deter them by crashing to the ground
Source: Female dragonflies fake sudden death to avoid male advances | New Scientist
You could almost say they are drop-dead gorgeous: when certain female dragonflies are pursued by unwanted suitors, they deter them by crashing to the ground
Source: Female dragonflies fake sudden death to avoid male advances | New Scientist
Categories: Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr. 11-12 Biology
https://youtu.be/x69Ft5fgNp0 We all have an anus, but there was a time in our evolutionary past when our distant ancestors did not. In this video, Maddie Moate talks you through the origins and why... read more
Categories: All Science Teachers, Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry
A leaked copy of a government report on climate change says that since 1948, Canada's annual average temperature over land has warmed 1.7 C, with higher rates seen in the North, the Prairies and... read more
Categories: Gr 9-10 Science, Gr. 11-12 Physics
This demonstration will amaze and astound! As you pour vegetable oil into a small Pyrex beaker placed inside a larger Pyrex beaker, the smaller beaker will magically disappear! This happens... read more
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