Lec. 13 Fire Flashcards
Which continent has no observed fires?
Antarctica
Give four examples of fire use other than for cooking:
- protection,
- light,
- landscape management,
- transforming materials.
What are the limitations in detecting ancient hearths?
Large trees burnt by natural fires can mimic a hearth.
What is the connection between lava flows and hominid fossil sites in East Africa?
They are found in similar regions.
Which species has been observed actively spreading fire?
Black kites in Australia. (A specific bird)
What do some Australian aboriginal cultures believe black kites taught humans?
Hunting with fire.
Give four different methods of making fire on demand:
- hand drill,
- bow drill,
- fire thong/belt,
- flint and pyrite.
What can honey guide genetics teach us about human fire use?
The ancient divergence between bird lineages that do or do not interact with humans, point to the deep age (~2 my) of fire use by humans.
How is sugar like human made honey?
Sweet plant juice is boiled to concentrate the plant sugar into a paste.
What are three advantages of burning landscapes?
Hunting is easier, travel is easier, and new grass attracts prey.
What does COPD stand for?
Chronic Obstructive Pulmonary Disease.
Where are people still most affected from indoor fire smoke inhalation?
Africa and India, South East Asia.
How might the regular use and fire and tuberculosis be related?
Fire damages lungs and brings people together.
Why does white sugar turn brown when caramelized?
Sugar molecules combine into aromatic molecules that absorb light.
What are the two (mixtures) reagents forming Maillard reaction products?
Sugars and proteins.
