To maintain our our bodies at their comparatively secure core temperature of round 98.6 °F (37 °C), we consistently lose warmth. It’s a course of that may be sped up by sweating. However the entire balancing act can get derailed after we’re uncovered to excessive warmth. In case your physique isn’t in a position to cool itself down quick sufficient, a complete cascade of issues can begin, from stressing out your coronary heart to throwing your kidneys and liver into chaos.

Sounds unhealthy, huh? Right here’s some excellent news: to some extent, our our bodies can and do modify barely to the warmth. However there’s solely a lot individuals can endure—that may range by particular person or place, however limits exist. That’s partly why warmth is an fairness challenge: not everybody has entry to cooling, or the power to shelter inside when temperatures rise. Learn the total story. 

This story is from The Spark, Casey’s weekly e-newsletter conserving you recent on all issues to do with vitality and local weather change. Enroll to obtain it in your inbox each Wednesday.

The must-reads

I’ve combed the web to search out you at the moment’s most enjoyable/essential/scary/fascinating tales about expertise.

1 Researchers are racing to copy the LK-99 superconductor 
It appears unlikely they’ll succeed, however for now there’s nonetheless somewhat hope amid all of the hype. (Wired $)
+ Even when the claims aren’t backed up, they may nonetheless result in progress. (New Scientist $)
+ Both method, it’s a gradual, painstaking course of, so we gained’t know for some time. (CNET)

2 Ocean temperatures are rising
That’s each bit as unhealthy because it sounds. (The Atlantic $)
+ And it’s not solely disastrous for corals. It threatens the complete oceanic ecosystem. (Wired $)
+ There are additionally report low ranges of Antarctic sea ice this 12 months. (NYT $)

3 AI is shaking up YouTube’s thumbnail business
Cue a lot consternation from designers—nevertheless it’s nonetheless unclear how a lot it’ll influence their jobs. (Remainder of World)
+ Meta has launched a brand new music AI mannequin. (The Verge)
+ AI fashions can worsen over time. (Scientific American $) 
+ A high gaming YouTuber is attempting to interchange himself with AI. (Wired $)

4 What we have to know in regards to the new wave of weight problems medicine 
They work effectively—however we don’t precisely know why, or who’s finest suited to them. (Nature)
+ While you shed pounds, the place does it go? (MIT Know-how Overview)

5 Twitter Blue subscribers now have the choice to cover their blue checks
Which does beg the query of what, precisely, it’s that they’re left paying for. (Ars Technica)
+ What on earth ought to we name Twitter now? (NYT $)

6 Etsy is scrambling to cease a sellers’ strike
Distributors say that the platform’s insurance policies are leaving them out of pocket. (Quartz)
+ Why everybody’s happening strike this summer time. (Vox)

7 Tesla is lastly beginning to get extra rivals for EV charging
The essential factor will likely be attempting to get everybody to converge on a single commonplace. (IEEE Spectrum)
+ Within the conflict of the EV chargers, it’s Tesla vs. everybody else. (MIT Know-how Overview)

8 Please mates, let’s maintain theaters phone-free zones 📵
Taking pictures of your TV at house? Knock your self out! At a theater? Completely not. (WSJ $)

9 Sick of relationship apps? Attempt Google Docs.
Persons are penning ‘date me docs’ within the hope it’d assist them discover higher matches. (NYT $)

10 A vital metric for climate: dew level 💧
The upper it’s, the extra of a sweaty mess you’ll really feel. (Vox)