Most of the large animals that have walked the surface of Earth are no longer here. Why? Dan Mann thinks it’s because our recent climate has been too stable, at least when compared to the wacky ups and downs of the last ice age. Mann, a University of Alaska Fairbanks professor, presented his idea at […]
You don’t name a sea creature after an ancient Greek warship unless it’s built like a predator. That’s certainly true of the recently discovered Pentecopterus, a giant sea scorpion with the sleek features of a penteconter, one of the first Greek galley ships. A Yale University research team says Pentecopteruslived 467 million years ago and […]
In a gorgeous warm May this year, we have not yet sniffed the bitter scent of flaming spruce. When we do, many of us will think back to a year that still haunts us. In summer 2004, a Vermont-sized patch of Alaska burned in wildfires. That hazy summer was the most extreme fire year in […]
This spring, John Yarie learned of the death of the oldest living things he knew. Since 1988, the silviculture professor at the University of Alaska Fairbanks had measured and fertilized a stand of giant spruce trees on a hillside south of Fairbanks. A few weeks ago, forest technicians visited the site and found that one […]