Recent comments in /f/askscience
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Shrimpits t1_ja5sc7z wrote
Reply to comment by PMMEANUMBER1-10 in Is there any possible relation between the recent earthquakes in Turkey/Syria, Japan and Papua New Guinea? by Corvid-21
It’s funny because I just learned about the Baader-Meinhof phenomenon a couple weeks ago
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Reply to comment by CrustalTrudger in Is there any possible relation between the recent earthquakes in Turkey/Syria, Japan and Papua New Guinea? by Corvid-21
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Reply to comment by Drink15 in If the fuel that goes in car engines is extracted from hydrocarbons, which consist of only Hydrogen and Carbon, and those hydrocarbons react with Oxygen in the air (combustion reaction), to produce CO2 and H2O, why do we get a bad smell from car exhaust fumes if both gases are odorless? by Protoflare
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Reply to comment by CrustalTrudger in Is there any possible relation between the recent earthquakes in Turkey/Syria, Japan and Papua New Guinea? by Corvid-21
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throwawayzufalligenu t1_ja5nrov wrote
Reply to comment by 0oSlytho0 in Would two people who look identical but who are not related have similar matching DNA? by OhMyThiccThighs
Maybe colugos who look like fruit bats. The former are primates and the latter are just bats.
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Reply to When a volcano erupts, does this affect the pressure building up in other volcanoes? by Rhamni
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Reply to How old is the ISS REALLY? by gwplayer1
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Reply to comment by andrewmmm in Is there any possible relation between the recent earthquakes in Turkey/Syria, Japan and Papua New Guinea? by Corvid-21
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certain_people t1_ja5zi0n wrote
Reply to How is radioactive dating used to determine historical greenhouse gas levels and temperatures? by pog_irl
The dating doesn't give you the gas levels or temperatures.
Instead separate samples are taken through an ice core, or a sediment core, or a rock sequence. Separate analyses are done on the samples to measure the greenhouse gas levels, temperatures, and ages.
Sediment samples might have carbon isotopes measured as a proxy for CO2, ice cores might have gas bubbles analysed, there's a whole suite of different measurements possible. The dating is totally separate and just puts some age pins on those measurements.