Rainmaker
rainmaker.bsky.social
Rainmaker
@rainmaker.bsky.social
Sources:
Reader’s Digest: rd.com/list/science-f…

TOKU-E Science Facts: toku-e.com/blog/weird-but…

German study on rat laughter (National Geographic coverage)
https://rd.com/list/science-f…
November 11, 2025 at 4:17 PM
next time someone says "it's not that deep"

remember that scientists literally tickle rats for research

and the rats are having the time of their lives 🐀😂
November 11, 2025 at 4:17 PM
but here's why this matters:

→ laughter = emotion = consciousness
→ if rats can laugh, they can feel joy
→ it changed how we think about animal emotions
→ tickling became a way to measure rat happiness in labs
November 11, 2025 at 4:17 PM
this opened a whole field of study:

→ it's called Gelotology (the study of laughter)
→ laughter isn't just a human thing
→ at least 65 other species have their own form of laughter
→ includes primates, dogs, dolphins, and even some birds
November 11, 2025 at 4:17 PM
the rats didn't just tolerate it...

→ they actively chased the researcher's hand
→ they'd return asking for more tickles
→ they showed "play behavior" just like human kids
→ the most ticklish spot? their belly and back of the neck
November 11, 2025 at 4:17 PM
→ researchers in Germany tickled lab rats
→ the rats made high-pitched "chirping" sounds (ultrasonic)
→ humans can't hear it without special equipment
→ but it's their version of laughter
November 11, 2025 at 4:17 PM
a town where the dead never rest and the living can't stay forever ❄️⚰️
October 26, 2025 at 10:53 PM
but here's the wildest part:

→ you also can't be born there
→ pregnant women must leave 3 weeks before due date
→ the hospital has no maternity ward
→ nobody is allowed to begin OR end their life in Longyearbyen
October 26, 2025 at 10:53 PM
so the town made a rule:

→ if you're terminally ill, you must leave
→ if you're about to die, you get flown to mainland Norway
→ the only graveyard stopped accepting bodies in 1950
→ there are only about 10 burials allowed per year (for accidental deaths)
October 26, 2025 at 10:53 PM
the real problem:

→ in 1918, influenza victims were buried there
→ decades later, scientists found the virus was STILL ALIVE in the frozen bodies
→ the permafrost created a time capsule for deadly diseases
→ any future outbreak could reanimate from the graves
October 26, 2025 at 10:53 PM
→ the permafrost never thaws
→ bodies buried there don't decompose
→ they stay perfectly preserved... forever
→ scientists discovered 75-year-old corpses looked like they died yesterday
October 26, 2025 at 10:53 PM
→ Longyearbyen is the world's northernmost town
→ it sits 800 miles from the North Pole
→ and they literally banned dying there in 1950

why would anyone ban death?
October 26, 2025 at 10:53 PM
biometric security has a fatal flaw:

→ you can change a password
→ you can't change your fingerprints

next time you flash a peace sign... think about what you're really sharing ✌️🔓
October 16, 2025 at 9:21 PM
but it gets worse:

→ you post hand photos constantly (holding coffee, showing rings, waving)
→ criminals don't even need to be near you
→ they're building fingerprint databases from social media right now
October 16, 2025 at 9:21 PM
this already happened:

→ 2014: hackers cloned a politician's fingerprint from press conference photos
→ 2017: researchers bypassed Samsung Galaxy S8 iris security
→ your thumbs-up selfie could unlock your bank app
October 16, 2025 at 9:21 PM
the process is terrifyingly simple:

→ take a high-res photo of someone's hand
→ use software to enhance and map the fingerprint ridges
→ print it onto a mold or special film
→ boom... you can unlock their phone, laptop, or security system
October 16, 2025 at 9:21 PM
→ researchers proved they can copy fingerprints from photos taken 10+ feet away
→ all they need is good lighting and a standard camera
→ peace signs and hand photos are a goldmine for hackers
→ your fingerprint never changes (unlike a password you can reset)
October 16, 2025 at 9:21 PM
but airplane mode stuck around anyway

because changing regulations is harder than keeping a 30-year-old rule ✈️📵
October 15, 2025 at 4:16 PM
the myth about "crashing the plane"?

→ never actually happened
→ modern planes are shielded against interference
→ pilots use iPads in the cockpit during flight
October 15, 2025 at 4:16 PM
so in the 1990s:

→ the FCC banned cell use on planes
→ not because of interference with flight systems
→ but to protect the ground-based phone networks
October 15, 2025 at 4:16 PM
the problem:

→ your phone connects to dozens of towers per minute
→ each tower tries to hand off your signal to the next one
→ the system gets overloaded with tracking requests
→ airlines would get charged for all this network chaos
October 15, 2025 at 4:16 PM
→ when your phone is on during a flight
→ it constantly searches for cell towers
→ at 500+ mph, it pings tower after tower after tower
→ this creates a "billing nightmare" for telecom compa
October 15, 2025 at 4:16 PM