If Earth’s history were a calendar year, humans would not appear until the last few minutes before midnight on Dec. 31. During the Proterozoic Eon—2.5 billion years to 543 million years ago—the sun was still a young star, much dimmer than today, and Earth required a stronger greenhouse effect to compensate and maintain habitable temperatures for the planet’s earliest lifeforms.
Portal to the past: Geologist identifies metamorphic rock as a crucial feature of the ancient Earth’s carbon cycle
The Owl Picks
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Back pain can be debilitating, affecting your ability to enjoy everyday activities. The good news is, you don’t have to rely solely on medications to find relief. At livingnwell.com, we believe in the power of [...]
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One highlight of my Grade 3 life was dying from dysentery at the hands of a video game. I was ahead on schoolwork, and allowed to use the classroom computer to pioneer a family across [...]
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Your diet — the foods and drinks you eat, not short-term restrictive programs — can impact your heart disease risk. Evidence-based approaches to eating are used by dietitians and physicians to prevent and treat cardiovascular [...]
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Imagine being stuck in traffic while running late to an important meeting at work. You feel your face overheating as your thoughts start to race along: “they’re going to think I’m a horrible employee,” “my [...]
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In this series we pay tribute to the art we wish could visit — and hope to see once travel restrictions are lifted. In Book Two of the Republic, Plato famously describes the “fevered” city, a town [...]
