Fifty years ago, the Apollo 11 mission took humans to the moon, capturing imaginations worldwide and sparking a new era of discovery. CBC News is looking back this week at the landmark mission, considering its impact on the world today and exploring Canada’s role in the new space economy. Continue reading
In 1962, President John F. Kennedy declared, “We choose to go to the moon.” Just seven years later, the first steps were taken on the lunar surface by Apollo astronauts Neil Armstrong and Buzz Aldrin. Continue reading
Trees can weigh hundreds or even thousands of tons, but where do they get this mass from? A few common answers are: the soil, water, and sunlight. But the truth is the vast majority of a dry tree’s mass comes from the air – it originated as carbon dioxide
Susanne Åkesson, Professor of Evolutionary Ecology at Lund University in Sweden, has been awarded the prestigious Ig Nobel Prize. The prize, which she shares with six other researchers from Hungary and Spain, was presented to them for their discovery that white horses aren’t particularly bothered by blood-sucking horse-flies. Continue reading
There are a lot of stereotypes and stigma surrounding alcohol that prevent both understanding and adequate care, and the spectrum of symptoms that alcohol use disorder can include is a lot more complicated than you might think. Continue reading
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We need water to survive–and Earth is covered in it! Unfortunately, almost all of that water is salty. In this week’s episode of Reactions find out why getting freshwater from ocean water is a lot trickier than you might imagine.
You probably know that voltaic batteries come in all kinds of shapes and sizes, from tiny button batteries to car batteries to huge industrial heavy-weights. They turn chemical energy into the electrical energy that people use to power clocks, toys, cell phones, medical devices, tablets, cars, satellites… and an LED! These batteries seem pretty complicated but you can make a real voltaic battery right in your kitchen. Grab the ice tray and start the electrons moving. Continue reading