
Thursday, 12 May 2011
Wednesday, 11 May 2011
HAIDA GWAII: RING OF FIRE

But the rock beneath speaks of an even more violent past.
Very few people know that the rock here holds the key to a catastrophic event from eons ago.
We’ve heard tales and seen images of the cataclysmic damage caused by meteriorites smashing into the Earth’s surface.
Until recently, it was a meteorite impact that was blamed for the worldwide Triassic/Jurassic Mass Extinction. This wholesale dying out of species occurred some 200 million years ago.
New evidence challenges the meteorite theory. Experts now believe that tectonic forces may have caused hundreds of volcanoes around the world to erupt simultaneously. The subsequent showers of volcanic ash would have altered the composition of the atmosphere dramatically and plunged the world into near total darkness for years until it settled from the sky.
The picture painted of the sun flickering fitfully through inky clouds, paling against the torrents of glowing lava, while everywhere life is smothered, poisoned, or starved, rivals the most apocalyptic imaginings of Hollywood or religion. We know from worldwide evidence that the extinction was dramatic and affected upwards of 70% of the world’s biota.
Perhaps counterintuitively, for one might think of water as a refuge from fire, smoke, and lava, it was marine lifeforms that suffered the most.
This is particularly well documented in the rocks at Kennecott Point and Kunga Island.
Radiolarian microfossils, tiny, siliceous, single-celled microrganisms, tell the tale. In the Upper Triassic rocks, which predate the extinction by about 10 million years, radiolarians are preserved in hundreds of forms.
Just above them, in the early Jurassic rock layers laid down about the time of the great die-offs, only a fraction of the previous number of forms are represented. The more recent Jurassic rock shows a rebound of radiolarian diversity, though of course, in different forms, a diversity which continues to flourish and expand in today’s oceans.
Monday, 9 May 2011
Sunday, 8 May 2011
Wednesday, 4 May 2011
Friday, 29 April 2011
Sunday, 10 April 2011
Friday, 8 April 2011
Saturday, 2 April 2011
Wednesday, 30 March 2011
Sunday, 27 March 2011
Tuesday, 22 March 2011
Wednesday, 9 March 2011
MAGNOLIA: 95-MILLION YEAR OLD TOOTHPASTE

My favorite individual tree is the magnolia growing on the grounds at Balboa Park. It is a magnificent example of the family Magnoliaceae and takes up nearly a whole city block. Older magnolia have this elegant quality of long draping branches, perfect for avoiding a predator while enjoying an afternoon's snooze.
Given that our ancestors decended from the trees, pre Lucy now it seems, and that we've seen bits of magnolia bark in firepits from 10,000 to 80,000 years ago, we may have enjoyed Magnoliaceae as a comfortable perch, hearth and perhaps even some additional oral benefits -- magnolia toothpaste anyone?
Saturday, 5 March 2011
SAILING DESOLATION SOUND

With the sun just peaking back in BC, a few friends gathered up supplies and plenty of sunscreen to get out and play in the wind up in Desolation Sound. Two of the days we were joined by resident killer whale and porpoise eager to join in on the surf.
Our crew enjoyed sunny, windy days and cool refreshing nights filled with fresh Pacific seafood bounty -- crab, oysters and salmon!
Friday, 25 February 2011
Tuesday, 22 February 2011
Monday, 14 February 2011
Thursday, 10 February 2011
STORM COMING IN: PADDLING LOCAL WEATHER

Local weather, and more importantly, wind, comes from a mixture of factors. Knowledge of the topography, the relative temperature of land and lake we paddle help predict how windy and soggy our afternoon will be. Today, the cooler air is flowing off the water up the forested slopes, heating and rising as it does so, creating a 5-15 knot intermittent force that turns ripples into small white caps.
We break for lunch to wait out the worst of it, knowing that the winds that started mid-morning will subside by late afternoon and rise again after sunset.
We snack on warm soup and flatbread, watching as our once crystal clear oasis turns to froth. Warm, dry and now with full bellies, we get back on the water.
We’re eager to push through to our next destination knowing that by nightfall the katabatic winds will arrive, as warmer air from the hillsides flows down and out over the chilly lake. We paddle in unison, enjoying the crisp air, confident that well before then we’ll be snugged in our tents sipping hot cocoa.
Monday, 7 February 2011
Wednesday, 2 February 2011
VOLOUBILIS: ROMAN RUINS AND FOSSIL REMAINS

The area is also home to paleontological remains from ages past. Massive trilobites and enormous elephant bones have been recovered from the fossil-rich deposits and other sites have yielded clues to our ancestors.
The remains of H. erectus and other ill-defined (it could just be my bad Arabic) species of "archaic Homo sapiens," though not well-publicized, have been found at various sites around North Africa, in Algeria and Morocco.
Thursday, 27 January 2011
Monday, 24 January 2011
Saturday, 22 January 2011
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