Christmas tree shopping is harder than ever, thanks to climate change and demographics

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If you’re shopping for a live Christmas tree this year, you may have to search harder than in the past. Over the last five years Christmas tree shortages have been reported in many parts of the U.S. One factor is that growers sold off land and planted fewer trees during and after the 2008 […]

Alien Oceans Could Hold Way More Life Than Earth’s Waters Ever Did, New Research Suggests

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Earth is the only planet in the universe known to harbor life, but new research suggests that some distant worlds could put the Blue Marble’s biodiversity to shame. It’s not because these other, hypothetically habitable exoplanets are devoid of humans (though Earth’s biodiversity would definitely be looking better without us). Rather, a planet’s […]