An ice-core record of hydrogen reveals that atmospheric levels vary in response to climate change and have increased drastically owing to human activity since the pre-industrial era. The apparent sensitivity of hydrogen cycling to environmental conditions should be considered when projecting the consequences of rising anthropogenic hydrogen emissions in a warming climate.
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After years of computer saying no, and giving us all migraines and premature grey hair, I’m starting to worry that computer – or rather AI large language models like ChatGPT and Gemini – are taking too much of a fancy to playing nice and saying yes. I confess to using both of these programs, but I’ve noticed that, well, it’s as if they’re trying to please, with statements such as, “You’re absolutely right, Jeff,” and “That’s pretty much right.” Often, when I ask, “Would you mind thinking for a bit longer on that?”, I then get another response saying: “Jeff, you’re absolutely right, again, to query that result. It turns out I was a bit hasty in my reply …”