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  • On thin ice: Who “owns” the Arctic? 
  • James Cameron and Joe MacInnis celebrate exploration, friendship at the Royal Canadian Geographical Society
  • Bottlenose dolphins use “baby talk” to communicate with their young
  • An Exodus Travels adventure to Peru will Jill Heinerth
On thin ice: Who “owns” the Arctic
As the climate heats up, so do talks over land ownership in the Arctic. What does Canadian Arctic Sovereignty look like as the ice melts?

By Stephen Smith
HMCS Margaret Brooke surges into the High Arctic ice. (Photo: Navy Lt. Dionne)

The ship’s searchlight pencils its beam from one suspect cake of ice to the next. The Arctic night deepens its blues and, at the horizon, flares orange across the waters of Victoria Strait, in Nunavut’s Kitikmeot region, as one of Canada’s newest Arctic and offshore patrol ships makes its way south. Summer is waning across the Northwest Passage, the storied sea route linking the Atlantic and Pacific oceans, and with it, the Royal Canadian Navy’s latest northern sovereignty patrol, a two-month deployment that will take HMCS Margaret Brooke from her home port of Halifax to Greenland’s shores and on to Iqaluktuuttiaq (Cambridge Bay), Nunavut, then back again.

Old ice? New? Under the accusation of a naval searchlight, it all looks spectral, slightly spooky, caught-in-the-act. Tonight, none of it will pose any danger to navigation. I’ve joined Margaret Brooke on her inaugural deployment for a two-week visit as the $700-million vessel, rated Polar Class 5 for icebreaking, surges into the country’s North as part of the annual Operation Nanook.

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“Mentorship is magical”: James Cameron, Joe MacInnis celebrate exploration, friendship at the Royal Canadian Geographical Society
Canadian-born filmmaker and deep-sea explorer James Cameron helped celebrate his lifelong friend and mentor Dr. Joe MacInnis with a day of events at Canada’s Centre for Geography and Exploration

By Can Geo Staff
Canadian-born deep-sea explorer and filmmaker James Cameron, left, chatted about leadership and exploration with his lifelong mentor Joe MacInnis at a daylong celebration of MacInnis hosted by the Royal Canadian Geographical Society July 18. (Photo: Melody Maloney/Can Geo)

It was a day all about friendship. A day about mentorship. It was a day to honour the long and storied career of acclaimed Canadian physician-scientist and deep-sea explorer Dr. Joe MacInnis.

MacInnis was joined by his most famous protégé — fellow undersea explorer James Cameron — for a daylong program of events at Canada’s Centre for Geography and Exploration, headquarters of the Royal Canadian Geographical Society. Cameron, who is internationally renowned for his blockbuster films but also for his feats of exploration and advocacy for the environment, travelled to Ottawa to honour the mentor who encouraged him to pursue his fascination with the deep sea.

The celebration kicked off with an hourlong fireside chat, which was streamed live online by CTV News. MacInnis and Cameron were joined by Vassy Kapelos, host of CTV’s Question Period and CTV News Channel’s Power Play, who moderated a lively discussion on the theme “the magic of mentoring.”

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Wildlife Wednesday: bottlenose dolphins use “baby talk” to communicate with their young

Plus: investigating a mysterious golden eagle flight, rescuing abandoned piping plover eggs, running North America’s largest bug farm, and more.

By Thomas LundyandLuke Faulks

New research shows bottlenose dolphin mothers use “baby talk” to communicate with their young. (Photo: Jonas Von Werne/Pexels)

Baby talk” is a nearly universal speech pattern across human cultures. People around the planet adopt different tones and speaking cadences when interacting with children — and it turns out it’s not just us that do it. New research has found that bottlenose dolphins also use a form of “baby talk” to communicate with their young. 

The research team used 34 years of vocalization data to compare the signature whistles of bottlenose dolphin mothers when their calves were close to calls made when young dolphins were further away. The team found mother dolphins would change their pitch predictably based on their calves’ proximity; dolphins’ calls would reach higher and wider frequency ranges, consistently, when their calves were nearby.

The baby talk, also known as “motherese” or “child-directed communication,” is only seen in a handful of non-human species, including zebra finches and squirrel monkeys. This new research suggests that bottlenose dolphins, like humans, meet critical criteria for needing motherese; namely, long dependency on caregivers, complex social environments, and the necessity of complex vocal communication. 

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TRAVEL WITH CANADIAN GEOGRAPHIC 
Featured trip: Essential Peru

Unveil the mysteries of the bygone Incan empire on this odyssey through the jungle wilds, lakes, colonial cities, floating villages and lost mountaintop city of Machu Picchu. This special departure of the incredibly popular Essential Peru adventure is led by writer, photographer, and filmmaker Jill Heinerth.

A spectacular journey through Peru’s varied landscape encompassing coastal desert, snow-capped Andean peaks, the high altiplano, and lush cloud forest. The most famous sites are all visited including the mysterious Nazca Lines, awe-inspiring Machu Picchu in its incredible mountaintop setting, Lake Titicaca, where the night is spent in an island homestay, and the remarkable 3000m deep Colca Canyon. On the way, we encounter traditional culture, condors, llamas, and a warm welcome from the Peruvian people.

Meet your ambassador: Jill Heinerth
Learn more
Get inspired!
Diving Newfoundland’s World War Two wrecks with Jill Heinerth

RCGS Explorer-in-Residence Jill Heinerth discusses the discovery of a Second World War-era bomber 50 metres below the surface in Gander Lake, Newfoundland

Check out these other upcoming trips:

- Consummate Explorer Package with Ocean Quest
- Patagonia Birds and Wildlife with Kim Gray

- New Brunswick and Grand Manan with Marlis Butcher

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