The Most Important Thing that Ever Happened

You can watch Eons: Life and Death in Pangea Here: https://www.pbs.org/show/eons/ or on the Free PBS App! https://www.pbs.org/pbs-app/ Sourcessss Lithopanspermia https://astrobiology.nasa.gov/news/co... Mars rocks on earth https://www.nhm.ac.uk/discover/martia... (Mars rocks on Earth) Earth rocks on the moon https://eos.org/articles/apollo-may-h... Earth rocks on mars (probably) https://ui.adsabs.harvard.edu/abs/200... Biological material can survive space some https://microbiomejournal.biomedcentr... https://ui.adsabs.harvard.edu/abs/200... Life started very early https://www.nature.com/articles/natur... https://naturalhistory.si.edu/educati... David Kipping on life’s early start and our late arrival https://www.pnas.org/doi/10.1073/pnas... Anthropic principle stuff… https://plato.stanford.edu/entries/fi... Multiple abiogenesis events??? https://www.mso.anu.edu.au/~charley/p... (full text) Enceledus as a habitable world https://science.nasa.gov/resource/enc... https://www.nasa.gov/missions/cassini... The KT impact’s terrible (or very good) luck https://www.nature.com/articles/s4159... (Kaiho & Oshima 2017 — only ~13% of Earth's surface could have produced an extinction-level event) https://www.nature.com/articles/s4146... (2020 — the ~60° impact angle was near the deadliest possible) If it had hit minutes later (actually 30 seconds!?!) https://www.popsci.com/dinosaur-aster... Mitochondria https://www.nature.com/articles/natur... https://knowablemagazine.org/content/... https://evolution.berkeley.edu/it-tak... Lost mitochondria https://pubmed.ncbi.nlm.nih.gov/27185558 Mitochondria probably only happened once. https://evolution.berkeley.edu/it-tak... Theia and the moon https://science.nasa.gov/moon/formation/ https://www.lpi.usra.edu/education/ex... https://eos.org/articles/how-much-did... The moon stabilizing earth’s tilt important for life?? https://www.nature.com/articles/361615a0 (Yes!) https://www.sciencedirect.com/science... (perhaps not so much) The Ribosome https://www.nature.com/scitable/topic... RNA WORLD https://www.ncbi.nlm.nih.gov/books/NB... https://pmc.ncbi.nlm.nih.gov/articles... Oxygenic photosynthesis https://pmc.ncbi.nlm.nih.gov/articles...