200 Unbelievable Facts That Are Hard to Believe
Get ready to explore a collection of interesting, weird, and random fun facts that will leave you amazed. Dive into these unbelievable facts that span various topics and discover something new. Prepare to be entertained and enlightened by these surprising truths!
Table of Contents
125/200
Japan’s “last unclimbed” Mount Tsurugi was scaled in 1907, but summit relics showed monks had reached it ~1,000 years earlier.
Japan’s “last unclimbed” mountain was climbed in 1907, but the team found old gear on the summit that showed someone had already been there about 1,000 years earlier.
124/200
Researchers wired two rat brains together so one rat’s brain could help the other solve a task.
Scientists linked two rats’ brains so one could send task information straight into the other’s brain. The “encoder” rat’s signals were sent over the internet and turned into tiny pulses in the “decoder” rat’s cortex, letting it pick the right lever without seeing or hearing it.
123/200
First-ever dying-brain recording showed memory-like gamma waves.
Scientists did record a dying human brain for the first time. An 87-year-old patient was on EEG when he had a heart attack, and his brain showed strong gamma waves—the same kind seen in memory recall, dreaming, and meditation—right before and after the heart stopped.
122/200
Chicxulub wasn’t largest; Vredefort’s asteroid was roughly 20–25 km.
The asteroid linked to the dinosaurs’ extinction was about 10–15 km wide and made the Chicxulub crater. It wasn’t the biggest impact. The Vredefort crater in South Africa likely came from a much larger asteroid, around 20–25 km across, leaving a crater roughly 250–300 km wide.
121/200
About one‑quarter of Texan cowboys were Black, and Mexican vaqueros were even more numerous overall.
In the 1800s West, around one in four Texas cowboys were Black. And in much of the Southwest, Mexican vaqueros made up a huge share—often most—of the riders, since their skills built the trade.












