Invasive species have shaped island ecosystems and landscapes in the Gulf of Alaska, but their histories are unknown. In a study by the University of Oklahoma, Boston University and the Smithsonian Conservation Biology Institute, researchers investigated the archaeological and genetic history of the Arctic ground squirrel on Chirikof Island, Alaska. This small mammal has […]
Around 65 million years ago, a massive asteroid crashed into the Gulf of Mexico. The impact and subsequent effects wiped out about 75 percent of all life on Earth, including most of the dinosaurs. Scientists studying the resulting Chicxulub crater are learning how large asteroid impacts deform rocks in a way that may produce habitat […]
(Fairbanks) — A drop in the Central Arctic caribou herd from 50,000 animals three years ago to around 22,000 in 2016 may lead to shorter hunting seasons and smaller bag limits in 2017. Reasons for the decline aren’t completely understood, but hunting is not thought to be a factor. Biologists believe a combination of elements […]
SAN FRANCISCO, CA (November 11, 2016) – Curiosity is a driving factor in why most kids start smoking, and the same is true for kids with asthma. A study presented at the American College of Allergy, Asthma and Immunology (ACAAI) Annual Scientific Meeting found adolescents with asthma were twice as likely to smoke as kids […]