Quirks And Quarks Complete Show From Cbc Radio

A controversial fishing method may release CO2 from the sea floor Bottom trawling is a widely-used fishing method that involves dragging weighted nets that scrape along the seafloor. It’s sometimes been criticized for damaging marine ecosystems. Now a new study in Frontiers in Marine Science suggests that it also can release significant amounts of carbon trapped in seafloor sediments into the atmosphere. Trisha Atwood, an associate professor at Utah State University and a marine researcher with National Geographic’s Pristine Sea Program worked with scientists at NASA and The Global Fishing Watch for this study. Travel tales a mammoth tusk can tell Researchers have been analyzing the tusk of a woolly mammoth that died in Alaska 14,000 years ago. Using modern chemical analysis, they’ve been able to track the pachyderm’s travels through its life, and the trail it took to its final demise, likely at the hands of human hunters. Dr. Matthew Wooller at the University of Alaska Fairbanks worked with the Healy Lake V