How does caffeine keep us awake? – Hanan Qasim TED-Ed

Over 100,000 metric tons of caffeine are consumed around the world every year. That’s equivalent to the weight of 14 Eiffel Towers! Caffeine helps us feel alert, focused, and energetic, even if we haven’t had enough sleep — but it can also raise our blood pressure and make us feel anxious. So how does it keep us awake? Hanan Qasim shares the science behind the world’s most widely used drug.

Lesson by Hanan Qasim, animation by Adriatic Animation.

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STAO Safety Mindedness Teacher Training Resource Update

STAO’s Safety Mindedness Program, the leading safety training program for Ontario Science teachers has been updated.   Safety Mindedness now works seamlessly on virtually any device.  Gestures like screen shrinking and expanding now works on tablets and phones. Continue reading