Why downvote the comment above? It was factual and accurate. The temperatures in the cave 50 Celcius with a humidity of 90%. You can breath the air - for a while. You die of hyperthermia, not toxicity.
One Of The Oldest Rocks In Existence, The Murchison Meteorite. It's 4,600,000,000 Years Old, And Likely Existed Before The Earth Itself Had Completely Formed
Interestingly, it also contains amino acids, the chemical building blocks of DNA.
Why downvote the comment above? It was factual and accurate. The temperatures in the cave 50 Celcius with a humidity of 90%. You can breath the air - for a while. You die of hyperthermia, not toxicity.
Likewise, #28, the big sunflowers are not uncommon; they're just not popular, so they're not cultivated often.
Cool article.