Articles on Sunlight

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People walk past the steam clock in Gastown in downtown Vancouver. Canada’s wider variations in day and night lengths will exacerbate effects of permanent daylight savings time in B.C. THE CANADIAN PRESS/Jonathan Hayward 

B.C.’s switch to permanent DST adds to the ‘perfect storm’ for poorer adolescent sleep and mental health

The adoption of permanent DST in B.C. raises significant concerns about social jetlag and long-term health impacts, especially for young people.
Watching a solar eclipse is always fascinating. During the phase when the moon completely obstructs the sun, daylight gives way to a deep twilight sky. (Shutterstock)

On April 8, 2024, parts of Ontario, Québec, the Maritimes and Newfoundland will see a total eclipse of the sun. Here’s how to get ready for it.

Some parts of North America will witness a total solar eclipse in April 2024. This may seem far away, but you should think about preparing for this rare and fascinating phenomenon.
Many places have banned sunscreens with certain chemicals in an attempt to help protect coral reefs. Westend61 via Getty Images

Corals and sea anemones turn sunscreen into toxins – understanding how could help save coral reefs

Researchers have long suspected that an ingredient in sunscreen called oxybenzone was harming corals, but no one knew how. A new study shows how corals turn oxybenzone into a sunlight-activated toxin.
Allium schoenoprasum, better known as chives. Andreas Rockstein/Flickr

Why do plants grow straight?

Plants need light to feed themselves, so they grow in ways that help them collect as much of it as they can. Sometimes that’s straight up, but not always.

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