Blood and body fluids don’t glow naturally under blacklights. They may faintly glow because of chemicals called porphyrins, but the glow is too weak to see. Luminol is used by investigators to find hidden bloodstains. When sprayed, it reacts with blood and glows blue under UV light, helping to find traces that are hard to see. Luminol must be used carefully because it can react with other things and damage evidence. 🕵️‍♂️🔬

[More info]

@googlefactss
#CrimeScene #Forensics #Luminol #BloodDetection #MysterySolving

The Doomsday Clock is now 85 seconds to midnight. It shows how close the world is to disaster from nuclear weapons, wars, climate change, and dangerous technologies. ⏰🌍

[Read more]

@googlefactss
#DoomsdayClock #Wars #GlobalThreats #ClimateChange #NuclearRisk

Most historians consider Marie Vernet Worth to be the first professional fashion model. She was married to fashion designer Charles Worth, who asked her to model his clothes in 1892.

@googlefactss #fashion

Giraffes give birth while standing, resulting in the calf falling about 1.5–2 meters (approximately 6 feet) to the ground. This, together with an approximate 15-month gestation duration, serves as an essential survival strategy: the fall cuts the umbilical cord, ruptures the amniotic sac, and compels the infant to inhale for the first time

Napoleon I banned fashion dolls because he was nervous they could be used to send secret messages.

[Read more]

@googlefactss #nowyouknow #history

Some men who regret male-to-female sex change surgery can have it reversed. The reversal involves removing female parts, creating a new penis, and fixing the tube for urine. Since they are now castrated, they are infertile. In a study of 7 men, all were happy with the results, though some had minor issues that were fixed. This shows reversal surgery is possible and can work well. 🔄🧑‍⚕️


More about this:
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[Read more3]

@googlefactss
#TransReversal #SexReassignment #Surgery #Health

Knitting was initially a male-only occupation. In fact, when the very first knitting union was established in Paris in 1527, no women were allowed.

@googlefactss #history

There are different ways to count continents, so answers may vary when you ask someone how many continents there are, as you can see in the poll we did before.

Traditional answers are:
7: Africa, Antarctica, Asia, Europe, North America, Oceania, South America

6: Africa, Antarctica, Asia, Europe, North America, South America (Oceania often included with Australia)

5: Africa, Antarctica, Asia, Europe, The Americas (North, Central, South) + Oceania

4: Afro-Eurasia (Africa, Europe, Asia), The Americas, Australia, Antarctica
🌍

[Read more]
[Check the poll]
@googlefactss
#Continents #Geography #Earth #Education #Facts #World

In 1968, teacher Jane Elliott divided her students by eye color (blue vs brown) to show how discrimination works. One group was labeled “better” and given privileges. The other was treated as “worse.” Children quickly changed behavior and school performance, proving how labels and power create prejudice.
🧠👀

(Read more 1)
(Read more 2)

@googlefactss
#Psychology #SocialExperiment #JaneElliott #Discrimination #Education #History

Wearing headphones for a long time can trap moisture and bacteria in your ears, which may cause infections. 🎧🦠

@googlefactss
#EarHealth #Headphones #Bacteria #EarInfection

Pol Pot was the leader of the Khmer Rouge in Cambodia. He was Prime Minister from 1976 to 1979. His government was responsible for the death of millions of Cambodians through forced labor and violence. He died of a heart attack in 1998 while under house arrest. 🇰🇭💀

[Read more]

@googlefactss
#PolPot #KhmerRouge #Cambodia #History #Genocide

Starfish do not have a brain. They have a decentralized nervous system that controls their movements and functions. 🌟🧠

[Read more]

@googlefactss
#Starfish #MarineLife #NoBrain #Facts

A cryptic pregnancy is when a woman doesn’t know she’s pregnant. It can happen if she has irregular periods, no typical signs, or gets a negative test.
🤰🚫

[Read more]

@googlefactss
#CrypticPregnancy #Pregnancy #HiddenPregnancy #MedicalFacts

Sneezing very hard can sometimes break a rib or cause pain. This happens because of the sudden force. If you have strong pain after sneezing, see a doctor. 🚑🤧

@googlefactss
#Health #Sneezing #RibInjury #Facts

Paraskavedekatriaphobia is the fear of Friday the 13th. 😨

This phobia combines fear of the number 13 (triskaidekaphobia) and fear of Fridays.

Superstitions include the Biblical Last Supper, where Judas was the 13th guest 👑, and a Norse myth where Loki was the 13th guest at a dinner party. 🍽️


@googlefactss #phobias #nowyouknow #funfact #FridayThe13th

Stupidity can be contagious, like a virus. If people around us believe or say something wrong, we might start to believe it too. Learning to think carefully and check facts could stop this from spreading. 🧠🤪

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@googlefactss
#Misinformation #CriticalThinking #SpreadOfIdeas #Facts #stupid

In Japan, a marketing campaign called 'kokoro no kaze' (a cold of the soul) was used to promote antidepressants, increasing sales sixfold. It falsely suggested depression was simple and temporary like a cold, hiding the true treatment needs. This led to over-medication and potential harm. Now, companies focus on bipolar disorder, risking similar issues. 🚨💊

[Read more]

@googlefactss
#MentalHealth #Japan #Pharmaceuticals #Depression #Bipolar #HealthRisks

Saint Valentine’s Day, or simply Valentine’s Day, is celebrated on the 14th of February, but primarily in western societies.

The day has been named after one or more martyrs of the early Christian era named Valentine or Valentinus who lived sometime in the 3rd century CE and were killed for defying oppressive laws directed either against Christians or young lovers in the Roman Empire.

[read more here]

@googlefactss #history #love #Valentine

The Valentine Massacre happened on February 14, 1929, in Chicago. Seven gang members were shot and killed. It is believed Al Capone’s gang was involved, but no one was proven guilty. The case is still unsolved.
🔫🕵️‍♂️

⚠️Warning, the following links may contain graphic contents, watch at your own risk.⚠️
[Read more1]
[Read more2]
[Read more3]

@googlefactss
#History #Chicago #GangViolence #Prohibition #TrueCrime