20 Terrifying Science Facts Most People Don't Know
BuzzFeed • • health
Key Points:
- Human perception is not a perfect recording of reality but rather a survival-driven "best guess," with the brain capable of inventing sounds, memories, and confidence levels that we trust automatically.
- Rogue planets, which travel through the Milky Way independently of star systems, outnumber stars by an estimated ratio of 7 to 1, and have only been studied since around 2000.
- Prions, misfolded proteins causing fatal brain diseases like Creutzfeldt-Jakob, are virtually indestructible and can remain dormant for decades before rapidly destroying brain tissue with no cure available.
- Ocean acidification caused by air pollution threatens marine life, especially phytoplankton and algae that produce about 70% of Earth's oxygen, with little effective action taken despite decades of warnings.
- Antibiotic resistance is rising, potentially making routine surgeries extremely risky again, while environmental CO2 increases may weaken human bones and cause adverse health effects within this century.