Science

In the summer of 2004, a Vermont-sized patch of Alaska burned in wildfires. That hazy summer was the most extreme fire year in the half-century people have kept records.

Ned Rozell
Think Alaska mosquitoes are annoying? Consider that there are roughly 17 trillion of them, so no matter how many times you slap them off your arm, there will still be about 17 trillion. Ned Rozell
Analysis of a tooth and other samples dates them to about 14,000 years ago, making them some of the youngest mammoth remains discovered in Alaska. More striking, researchers say, was that the bones discovered match each other and seem to be from a single animal.Yereth Rosen
One of the scientists wonders if the pendants are signs of women at the Mead site. The ice age sites scattered throughout Interior Alaska are often hilltops or cliff sides used by hunters, presumably men.Ned Rozell
Data collected from tags attached to Bering Sea king salmon show salmon sharks are consuming the fish and indicate that further research might help figure out whether they're a source of the animal's sagging numbers.Suzanna Caldwell
In the last few years, researchers with UAF have drilled at Pilgrim Springs, looking for the hottest spots amid the steaming pools and snowless fields. They and others with private firms and the state are trying to determine if Pilgrim's energy might be a source of geothermal power for Alaska.Ned Rozell
Archeologist Ted Goebel and his coworkers found eight fragments of spear points at or near the Serpentine site in Northwest Alaska. They carbon-dated the charcoal they found with the points. The carbon was about 12,000 years old.Ned Rozell
As traffic increases in the narrow strait between the Pacific and Arctic Oceans, new safety and environmental protections are needed, advocates say.Yereth Rosen
Young Native children are more likely to be obese than non-Native children, and those who witness domestic violence seem to be at especially high risk, a new study finds. Yereth Rosen
A recent study has identified hot spots along the Aleutian Islands where the potential is high for large numbers of seabirds to be harmed by shipping-related oil pollution.Carey Restino