The California Gold Rush deposited millions of pounds of this chemical into the San Francisco Bay, rendering many types of seafood not safe for consumption
Mercury
Thankfully, miners switched to using cyanide instead around the 1900s
What are the only two types of spiders in North America with bites venomous enough to kill humans?
Brown Recluse, Black Widow
Lord of the Flies
The injury and infection sustained by this US president during his expedition down the "river of doubt" in the Amazon rainforest ultimately led to his death at age 60
Theodore Roosevelt
Out of: fire, food, shelter, and water, which of these is the LEAST important to prioritize in a survival situation?
Food
You can survive multiple weeks without food
Which one of these organisms are not edible?



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Death cap (not edible)
Miner's lettuce (edible)
Sourgrass (edible)
California Golden Chantrelle (edible)
Fill in the blanks of this rhyming poem:
If it's -----, fight back
If it's -----, lie down
If it's -----, good night
If it's back, fight back
If it's brown, lie down
If it's white, good night
After a falling boulder pinned his arm down for 127 hours, Aron Ralston hiked 6 miles to safety after doing what to escape the boulder?
Amputating his own arm
Nomadic hitchhiker Chris McCandless starved to death (presumably) while living out of an abandoned bus in this state, which he hitchhiked to all the way from Mexico

Alaska
The bus he died in had to be airlifted away because people kept trying to make pilgrimages to it
If you get bitten by a tick, which part of its body should you try to hold when pulling it out?
Head, in order to prevent the body from bursting and leaving the head stuck inside you
Fly Amanita is a common mushroom with a neurotoxin that causes hallucinogenic effects. Name a piece of media which features this mushroom
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Various (Smurfs, Super Mario, Skyrim, Alice in Wonderland, various paintings and books, etc.)
If you find yourself underwater in an encounter with one of these deadly fish, spinning them upside down will put them in a state of paralysis known as "tonic immobility"
Sharks

While in Zambia training in the SAS, this survivalist fell 16,000 feet when his parachute failed to deploy. He would later become famous for hosting survival TV shows where he ate many weird animal parts and drank his own urine to survive.
Bear Grylls
Despite not being the tallest, this second tallest mountain in the world results in a fatality to summit ratio about 4x that of Mount Everest. Most deaths occur at "the Bottleneck", an extremely steep and narrow section overhung by blocks of falling ice
This thermal effect, named after the housing structure that employs it, explains why a shelter with leaves and moss packed on its walls would be warmer than one without
Igloo effect
Stinging Nettle, named for the horrible rash it gives anyone who touches it, is consumed in a wide variety of cultures. Under what circumstances are the leaves safe to eat?

Only young sprouts should be eaten, and leaves must be boiled first
Cone snails are all highly venemous and capable of stinging if picked up. Some species have shells resembling certain rulesets of these simple models of computation

Cellular Automata
The one displayed is elementary cellular automata rule 30
Juliane Koepcke was the sole survivor of a plane crash in the Amazon rainforest, where she survived with severe injury for 11 days until finding a lumberjack camp where she was rescued. She credits her ability to survive in the jungle to her parents, whom she often observed at their job. What were her parents' jobs?
Zoologists
Calling it "Satan's last stronghold", Christian missionary John Allen Chau attempted to make contact with the uncontacted inhabitants of this Andaman island by singing prayer hymns and speaking Xhosa, only to be killed by bow and arrow
North Sentinel Island
Bow drills are a primitive tool that can be used to start a fire via friction. In Mehrgarh, Pakistan, evidence from 7,000 year old human remains indicate they were also used for this practice
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Dentistry
Which of these organisms are edible? (may be 0 or more than 1):max_bytes(150000):strip_icc()/4020320-GettyImages-1393811905-46084a0c26c14c19a64b9681fd2072b6.jpg)


Poison Hemlock (not edible)
Poison Oak (not edible)
Wild Carrot (edible)
Wild Onion (edible)
This type of animal--among the top 5 deadliest animals to humans--gave 37,000 PLA troops schistosomiasis during an amphibious assault training in 1949, giving the US Navy time to blockade the Taiwan Strait

The PLA Navy at the time consisted mostly of wooden junks, which they used to surprising effect in their invasion of Hainan Island
http://www.plapic.com.cn/jfjhb/wqhg/2019/201906yk/zl70n_212275/9533227.html
José Salvador Alvarenga was a fisherman who was the first person to survive being lost at sea for over a year. His boat was blown off course from Chiapas, Mexico, and drifted west about ~6,000 miles before landing in this archipelagic country

Marshall Islands
Vilhjalmur Stefansson organized not one, but two expeditions to Wrangel Island, leading to the deaths of 15 men. In the 1930s he promoted the establishment of a Jewish socialist republic in what region of the world?
Birobidzhan/Jewish Autonomous Oblast/Eastern Siberia
He abandoned the first expedition shortly after it got stranded and did not participate in the second one. Later he wrote a book called "the Friendly Arctic" and promoted a carnivore diet based on Inuit diets (You should read his wikipedia article)
In the southern hemisphere, because Polaris is not visible, the Southern Cross is used to point towards South. Name all 5 national flags which depict this constellation.

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