Hallo Bay Sunset Katmai NPS

Mercury, cod, and climate change

It’s hard to imagine stalking the shores of Alaska hunting with spear or net more than four millennia ago. Harder still to know that the people living in that already-harsh time faced an even more insidious threat than hunger or the fierce elements. New archaeological findings show elevated levels of toxic mercury in Pacific Cod […]

Droughts and fish highways

“I grew up on the shores of Connecticut looking into tidal pools and wondering about the plants and animals living there: where they move to when the tide goes out, and from when the tide comes in, and why. Once I even tracked my cat out my 3rd floor window and onto the roof to […]

Arctic grayling head closeup

Grayling and the great commute

I remember vivid visuals which manage to compress something immense into the space of seconds: the cosmic force of a big bang flinging matter across the universe, Ice Age glaciers clamoring down from the north then retreating again, time-lapse footage of the tides’ rhythmic breathing. Even commuters dancing the stop-and-go of a traffic light. An […]

Tubeworm Lamellibrachia luymesi

The oceans are our neighbors too

Laura Nielsen for Frontier Scientists Deep sea oceans, once believed lifeless, teem with an astounding biodiversity. Where once we knew only speculation and fishermen’s tales, we now have a body of knowledge increasing with data from remotely operated underwater vehicles (ROVs) and human-occupied submersibles like James Cameron’s Vertical Torpedo. The deep ocean, the last unexplored terrestrial […]

Ocean Acidification

  Laura Nielsen for Frontier Scientists Will ocean acidification spell a watery grave for vital parts of marine ecosystems? Marine ecologist Jane Lubchenco, head of the National Oceanic and Atmospheric Administration, named ocean acidification global warming’s “equally evil twin.” * Burning fossil fuels — coal, oil, natural gas — cutting down forests and other post-industrial […]