Not clickbait at all.
Wet-bulb is the combination of heat and humidity, and it is deadly in 6 hours. The article is about the first time they have lab tested the conditions on humans to determine the exact numbers, instead of just using the 35C estimate that we have been using.
You need to use a carot/arrow on both sides of the word to use superscript on lemmy.
^this^
becomes thisEdit: Header removed: maybe we shouldn’t encourage the use of headers.