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First Nation Shell Middens And True Oysters

One of the now rare species of oysters in the Pacific Northwest is the Olympia oyster, Ostrea lurida...

Zenaspis: Lower Devonian Bony Fish Of Podolia, Ukraine

A Devonian bony fish mortality plate showing a lower shield of Zenaspis podolica (Lankester, 1869)...

Oil in Water Beauty: Euhoplites of Folkstone

Sheer beauty — a beautiful Euhoplites ammonite from Folkstone, UK. These lovelies have a pleasing...

Carnotaurus sastrei: Flesh Eating Bull

Carnotaurus sastrei, a genus of large theropod dinosaurs that roamed the southern tip of Argentina...

Heidi Henderson

Musings in Natural History—meant to captivate, educate and inspire.
Palaeontology & Life Sciences—History & Indigenous Culture

Author of ARCHEA (960K views). co-authored... Read More »

Thermophilic Cyanobacteria: Picky Pool Dwellers

Nov 14 2009 | comment(s)

Slimeball… a derogative term to be sure, from the modern usage, but before it was ever dragged down to the world of insults and verbal nastiness we know it for today, the scum of which we speak and the small bacteria that form them were simply the catalysts for the many beautiful colours we see in hot springs.

The Big & Small Of Symbiosis

Nov 14 2009 | comment(s)

Ever wonder why the slow moving sloth has a slightly greenish hue? Ever consider the sloth at all? Well, perhaps not. Location, location, location, is the mantra for many of us in our macro world, but it is also true for the small world of algae.

Predicting & Paddling Local Weather

Nov 14 2009 | comment(s)

Like most mountainous areas, Bowron makes its own weather system and it appears you get everything in a 24-hour period. In fact, whatever weather you are enjoying seems to change 40 minutes later; good for rain, bad for sun. Wisps of cloud that seemed light and airy only hours early have become dark. Careful to hug the shore, we are ready for a quick escape from lightening as thundershowers break.

Earliest Vertebrates To Evolve Powered Flight

Nov 14 2009 | comment(s)

Co-ordination of flight requires tremendous brainpower, and co-ordination of active flight, with the constant shift in the shape and location of massive wings, even more so. Nature is extremely parsimonious, not frittering away investment in any organ where it is not needed.

Cariboo Mountain Geology

Nov 10 2009 | comment(s)

Umpque to Astoria.. the Shaping of Western Oregon

Oct 15 2009 | comment(s)

Had you been swimming with the marine fossils that were laid down in the Eocene Epoch in Oregon, some 55 to 38 million years ago, you'd be treading water right up to where the Cascade Mountains are today.

The Farallon Plate took a turn north some 57 million years ago, sweeping much of western coastal Oregon along with it. The Cascades were beginning to uplift and were fast becoming the breakwater for a retreating Pacific Ocean.