The largest coral atoll in the world

The largest coral atoll in the world, Kiritimati (a Kiribati spelling of the English word “Christmas”), was, up until recently, one of the most pristine marine ecosystems on Earth. Over a period of months, a team of researchers—led by Julia Baum, a biologist at the University of Victoria, and …

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Two Ways To Measure And Quantify Death

Physiological biomarkers such as those that reflect oxidative stress provide us with a particular focal lens that shows what is happening within individuals. However, evolution involves changes at the populational level. Natural selection acts on the individual. Populations evolve. To understand the evolutionary aspects of aging and mortality, we need …

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Evolutionary Theories

Mutual aid has become a standard ingredient of modern evolutionary theories, albeit not exactly in the way Kropotkin formulated it. Like Darwin, he believed that cooperative groups of animals (or humans) would outperform less cooperative ones. In other words, the ability to function in a group and build a support …

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The Big Bang

There’s a popular picture of the Big Bang as some kind of explosion—a sudden conflagration of light and matter from a single point that billowed out through the universe. It wasn’t like that. The Big Bang wasn’t an explosion within the universe, it was an expansion …

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