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Today I learned

Surprising facts, useful discoveries, and curious things worth knowing.

TIL#05

“Yeah, nah” made it into the Oxford English Dictionary in June 2026. Two words, one very Australian way to answer.

Used in Australia and New Zealand, “yeah, nah” depends heavily on context. It can acknowledge what someone has said before disagreeing—something like, “I hear you, but no.” “Want to get up at 5 am for a run?” “Yeah, nah.” Oxford included the phrase in its June 2026 update. Australians and Kiwis didn’t need a dictionary to understand it, but everyone else now has somewhere to look.

By RandomAha
TIL#07

2050 sounds like the distant future. But in 2026, it’s closer to us than the year 2000.

Back then, you might have burned a CD, printed directions or waited for someone to get off the phone so you could use the internet. Now those everyday habits sound like museum exhibits. Here’s another way to picture it: someone born in 2000 turns 26 this year—and 50 in 2050. The future hasn’t arrived with flying cars. It’s been sneaking up on us one birthday at a time.

By RandomAha
TIL#20

Going to bed at 9 am? Your body may have already started its morning shift.

If you normally sleep at night, morning brings falling melatonin, rising cortisol, and increasing body temperature—all helping prepare you to wake up. You’re ready to clock off, but your body is clocking on. The result? Sleep that can be shorter or more broken—and waking up feeling like your battery never quite finished charging.

By RandomAha