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Smoking, Vitamin D, and COVID-19

20 May 2020

This article was first published in The Montreal Gazette....

Why is the Sky Blue? Or Better Yet, Why is the Ocean Blue?

31 Jan 2020

The sky is blue due to a phenomenon called Raleigh scattering. This scattering refers to the scattering of electromagnetic radiation (of which light is a form) by particles of a much smaller...

The Seen and Unseen Consequences of Albinism

13 Dec 2019

Today I learned two things. First, that we apparently have an albino squirrel on our campus. Second, that seeing an albino squirrel before a test is good luck....

Sunscreen Shouldn't be a DIY Project

7 Aug 2019

This article was first published in The Montreal Gazette.

Are Summer Clothes Protecting Your Skin from Sunburns?

26 Jul 2019

How much protection does your white T-shirt offer you in the summer when you’re out in the sun? Would you say it’s impossible to get a sunburn underneath that garment?

Looking at the Science of Sunglasses

24 May 2019

The sunglasses at the dollar store feel flimsy, yet I buy a pair. It costs me $1.43. The sticker on one of the lenses states “UV 400 Protection”. I walk over to a fancy sunglasses store and ask the...

Space-Based Solar Power

7 Aug 2017

There are certain problems with solar power technologies that still need some work. We are addressing quite a few bumps on the road to completely sustainable energy though. High costs of solar...

Blocking the Sun's Rays with Metal Oxides

20 Mar 2017

Ultraviolet light from the sun encompasses a range of wavelengths, all the way from 280 nm to 400 nm. The shorter and more energetic wavelengths from 280 to 320 nm are referred to as UV-B, while...

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