Astronomer Max Tegmark on how SETI altered the course of science

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Astronomer Max Tegmark on how SETI altered the course of science

With astronomers still skeptical that extraterrestrial life exists, astronomy buffs all across the country have one goal: find aliens by 2035. In 1990, the astrophysicist Max Tegmark founded the SETI (Search for Extraterrestrial Intelligence)…

Open letter to the Pope on global Christian activism

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Open letter to the Pope on global Christian activism

Among the bright spots of this past week has been the unexpected power of citizen activism, which has spurred further leadership in the face of destructive, rolling disasters like the UK’s border crisis and…

Unheard of supercooled refrigerators key to food crises

politics

Unheard of supercooled refrigerators key to food crises

Written by Staff Writer (CNN) — Imagine when you don’t have electricity. You need more food and it needs to last longer, but the solar-powered refrigerators would have to be smaller and cheaper than…

A 'Game-changer': Where Canada's northern oilfields will be

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A ‘Game-changer’: Where Canada’s northern oilfields will be

Written by Cécile Grignon, CNN For too long, Canada’s northern oilfields have drawn a disproportionate share of the national investment in infrastructure. But an ambitious regional revitalization project could change that, reversing a trend…