Researchers in Alaska have found the earliest known evidence that Ice Age humans in North America used salmon as a food source, according to a new paper published this week in the Proceedings of the National Academy of Sciences. The findings counter traditionally held beliefs that Ice Age Paleoindians were primarily big-game hunters. They are […]
WASHINGTON, D.C. – Within days of Senator Lisa Murkowski urging Secretary of Agriculture Tom Vilsack to use existing federal funds to buy surplus Alaska canned sockeye salmon for The Emergency Food Assistance Program (TEFAP), the cabinet official today agreed, announcing plans to buy up to $30 million worth. “Food banks nationwide are reporting higher numbers […]
Last year, for the first time, scientists used an unmanned aerial vehicle, or UAV, to study killer whales from above. In an article published this month in the Journal of Unmanned Vehicle Systems, scientists describe how they configured their UAV, turning it into a precision scientific instrument. The international team of scientists from NOAA Fisheries […]
Before the colonial era, 100,000s of people lived on the land now called California, and many of their cultures manipulated fire to control the availability of plants they used for food, fuel, tools, and ritual. Contemporary tribes continue to use fire to maintain desired habitat and natural resources. Frank Lake, an ecologist with the U.S. […]