TOOLIK FIELD STATION, ALASKA– Last week, we encountered a herd of musk oxen rambling on the tundra...

SUMMIT CAMP, GREENLAND-- Drs. Jochen Stutz and Jennie Thomas from UCLA are up at Summit looking for halogens which could be contributing to the destruction of ozone, here at Summit and in other polar areas. The instrument they use for this is a large telescope...

NOATAK RIVER, BROOKS RANGE, ALASKA-- Yesterday we floated through Noatak Canyon, but not before stopping on several occasions to relocate and rephotograph old Philip Smith photos. I added these excursions partly out of curiosity, but partly to extend the record of vegetation...

NOATAK RIVER, BROOKS RANGE, ALASKA-- Long, hot days on the river. We finished the sampling a couple days ago, and yesterday boated the remainder of the Nimiuktuk River, eventually reaching the confluence with the Noatak River. With our precious science bounty aboard...

TOOLIK FIELD STATION, ALASKA– Earlier this summer, my friends and I encountered a curious ice feature north of Toolik Lake near the Kuparuk River. Since the ice feature occurs at a familiar site, we knew it was newly exposed ice. So, we set out to learn just what this feature is and how it formed...

SUMMIT CAMP, GREENLAND-- Dave Tanner from Georgia Tech works on a project measuring various chemical species in the snow and in the air at Summit. It is a long way from Georgia up at Summit, but luckily Dave enjoys his work...

NIMIUKTUK RIVER SANDBAR, BROOKS RANGE, ALASKA-- Another solid day of sampling and mosquitoes. We are sampling areas documented in repeated photographs over time that show both expanding shrub patches and stagnant shrub patches...

QUINHAGAK, ALASKA-- After my final ethnobotany lecture, I offered to help Cecilia, a co-teacher and Yup’ik elder, collect sour dock leaves. Sour dock (Rumex arcticus) is a perennial herb native to Alaska...

NIMIUKTUK RIVER SANDBAR, BROOKS RANGE, ALASKA-- If only it were that easy! Yesterday we made the strenuous portage from the lake where we were dropped to Seagull Creek, where the boating commenced...

KANGERLUSSUAQ, GREENLAND-- A Canadian resource exploration company, Hudson Resources Inc., has been searching for diamonds in Greenland for years. Unfortunately, they found some not far from Kangerlussuaq. This is a big problem for scientists...