Permafrost and Its Secrets

The video discusses the discovery of a woolly mammoth calf in Yukon and the significance of permafrost in preserving ancient biological remains. It highlights notable finds, such as a grey wolf pup and a cave bear, and explains the impact of climate change on permafrost, including the release of carbon and the resulting feedback loop. The video emphasizes the need to preserve the Arctic to maintain Earth's historical snapshots and biodiversity.

What was the significant discovery made by a gold miner in the Canadian Yukon in June 2022?

• An ancient human skeleton

• A new species of bird

• A woolly mammoth calf

• A dinosaur fossil

What percentage of the Northern Hemisphere is covered by permafrost?

• 25%

• 10%

• 15%

• 20%

How does permafrost help in preserving biological remains?

• By keeping them dry and cold

• By covering them with vegetation

• By exposing them to sunlight

• By burying them in sand

What was discovered in permafrost in 2016?

• A prehistoric bird

• A saber-toothed tiger

• A 7-week-old grey wolf pup

• A giant sloth

What did researchers identify in 2021 using DNA from mammoth teeth?

• A new species of mammoth

• A new species of bear

• A new species of fish

• A new species of bird

What is one of the effects of permafrost thawing due to climate change?

• Increased snowfall

• More frequent earthquakes

• Formation of 'drunken forests'

• Rise in sea levels

By 2050, how many people may be endangered by permafrost thaw?

• 2.4 million

• 4.8 million

• 1.2 million

• 3.6 million

What is the estimated amount of carbon stored in permafrost?

• 800 billion tons

• 1.2 trillion tons

• 1.6 trillion tons

• 2 trillion tons

What happens when microorganisms decompose organic material in thawing permafrost?

• They release oxygen

• They release carbon dioxide and methane

• They release nitrogen

• They release sulfur

Why is it important to keep the Arctic cool?

• To increase tourism

• To maintain biodiversity

• To preserve ancient artifacts

• To prevent the release of greenhouse gases