Photosynthesis capacity forest needles Research Experience Undergraduates

Secret lives of evergreen needles

Benjamin Russell pointed out different years of growth on a white spruce tree, using bud scars found on the back of the branch to segment off different growing seasons’ needles. “This is the new growth, the growth from this season. And see how abnormally large this is compared to the rest of the tree? That […]

Alaska in the 2013 Arctic turmoil

Laura Nielsen for Frontier Scientists – “The Arctic is not like Vegas. What happens in the Arctic doesn’t stay in the Arctic. The major changes that we see in reduction in sea ice, reduction in spring snow cover extent, increasing vegetation that changes the radiation balance of the surface, potential changes in greenhouse gas fluxes, […]

Baffin Bay Greenland iceberg overview

Ice restrains the floodgates

Laura Nielsen for Frontier Scientists – There’s a new Titanic under construction: a grandiose ocean liner, maiden voyage set for 2016. The Australian billionaire undertaking the project intends Titanic II to be a near-perfect replica of the original RMS Titanic, the ill-fated steamship which sank in 1912 after striking an iceberg. The disaster claimed over 1,500 lives. […]