how to stop your brain overheating and other lessons from the rainforest

Some highlights from the last couple of days in tropical north queensland:

Crocodiles can cool their brains by opening their mouths and letting evaporation on their palate cool the blood flow.

Crocodiles can cool their brains by opening their mouths and letting evaporation on their palate cool the blood flow.

The Mossman River is full of upstream granite. I love the way granite fractures and erodes to create really smooth boulders.

The Mossman River is full of upstream granite. I love the way granite fractures and erodes to create really smooth boulders.

Really big insects are cool but slightly terrifying.

Really big insects are cool but slightly terrifying.

Some turtles can apparently breathe through their bottoms.

Some turtles can apparently breathe through their bottoms.

This is a scientific representation of a cassowary before and after being hit by a moving vehicle.

This is a scientific representation of a cassowary before and after being hit by a moving vehicle.

Rainforest trees are just really magnificent.

Rainforest trees are just really magnificent.

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