Dolphins replace up to 95% of the air in their lungs per breath, while humans replace about 65%. They breathe 2–3 times faster and have lungs that collapse and reopen to handle deep dives.

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A study with 32 cat owners in Japan showed that spending 10 minutes with their cats lowered their feelings of excitement and a part of their nervous system activity but made their heart beat faster.

The faster heart rate was linked to higher stress and bonding hormones.

Petting cats more often changed their nervous system activity less.
🐱❤️

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“Knock on wood” is a saying people use to avoid bad luck. It may come from old beliefs that trees have spirits or from the Christian cross made of wood. Different countries have their own ways to “knock on wood” to stay lucky. For example, in Italy, people “touch iron,” and in Turkey, they knock twice and pull their earlobe. 🌳🙏🍀

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Toxoplasmosis is caused by the parasite Toxoplasma gondii.

People can become infected by eating undercooked meat containing the parasite or by accidentally swallowing the parasite from contaminated food, water, soil, or surfaces.

Cats are part of the parasite’s life cycle, but not all cats have it.

An infected cat can shed the parasite in its feces, which can contaminate the environment.

Simply owning or touching a cat does not cause toxoplasmosis.

Most healthy people have no symptoms, but infection can be serious during pregnancy or with weakened immunity.
🦠🐈🥩🤰

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The internet is estimated to weigh about 50 grams, equivalent to a strawberry, based on the weight of the electrons used in electricity for data transfer. This does not account for the much larger physical weight of servers, cables, and data centers that support its infrastructure.

@googlefactss #technology

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Psychopaths, often called ‘evil,’ lack empathy and guilt. They were once seen as untreatable. New studies show therapy like CBT and computer training can reduce violence and help them feel empathy. Treatment is limited but promising. 🧠💡

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@googlefactss #Psychopathy #Therapy #MentalHealth #ScienceFacts

The idea that skinny people have fast metabolisms is a myth. Metabolism depends largely on muscle mass—more muscle means higher energy use. Skinny people usually have less muscle, so their metabolism is often slower. Weight and appearance don’t reliably show metabolism speed.

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#Metabolism #MythBusted #Health #Fitness #BodyScience

On the original “The Facebook” website, Al Pacino’s pixelated face can be seen in the upper left-hand corner.

@googlefactss #internet #history #funfact #nowyouknow

The first ever banner ad invaded the Internet in October 1994. The ad appeared on HotWired.com, a website owned by Wired magazine. The iconic ad, which had the text "Have you ever clicked your mouse right here? YOU WILL", was purchased by AT&T.

@googlefactss #internet #marketing #funfact

Australia’s first cops were (former) criminals themselves. In 1789, Governor Arthur Phillip formed the Night Watch, a civilian police force made up of 12 of the most well-behaved convicts. Despite their past, these men were entrusted with keeping law and order in Sydney Town, New South Wales. This unusual beginning laid the groundwork for Australia’s formal police system.
👮‍♂️🇦🇺🦘

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Too much caffeine can interfere with the absorption of vitamins and certain minerals, such as iron, zinc, and magnesium.
☕️☕️☕️☕️☕️

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2-nonenal is the compound that makes people smell different from age 40 and up.
It's not because of food or personal hygiene.

One theory is that the smell is an indication if someone is a suitable partner or not.

The only thing you can do against it is gently wash yourself daily and get fresh clothes and bedding regularly.

2-Nonenal is an unsaturated aldehyde. The colorless liquid is an important aroma component of aged beer and buckwheat, and is insoluble in water.
🍻👵👴

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Today (in North America) is Indigenous Peoples’ Day,
In honors to the diversity, history and different cultures of the Indigenous peoples of the United States, including Native American, Alaska Native, and Native Hawaiian communities.

The holiday was already suggested in the 1970s as a counter-celebration to Columbus Day, which remembers Christopher Columbus’s landing in the Caribbean on October 12, 1492, and the beginning of Western colonialism in the Americas.

Since that time, a number of states have begun to observe Indigenous Peoples’ Day, and in 2021 U.S. president Joe Biden became the first U.S. president to officially recognize the holiday.
🏹🏆🎗

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#Respect #History

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There are now 48 recognized human blood group systems, according to the International Society of Blood Transfusion. 🩸🔢🆕

[Source1]
[Source2]
[Source3]

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#BloodGroups #MedicalScience #ISBT #Biology #Facts

Neckties can be bad for your health. Especially when it's too tight.

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Begum Hazrat Mahal was a key leader during the Indian Rebellion of 1857.

After the British deposed her husband, she took control of Awadh and ruled as regent for her young son.

She organized armies, directed strategy, and coordinated resistance across the region.

She did not fight on the battlefield herself, but her decisions shaped the revolt.

After defeat, she fled to Nepal and lived in exile until her death around 1879.

She is remembered for her courage, leadership, and role in resisting British rule.
⚔️👑🇮🇳

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A strange belief in Russia is to avoid whistling indoors. According to belief, doing so will "whistle away" your money, leaving you broke. This superstition likely originates from old folk traditions that associated whistling with mischievous spirits that could bring bad luck.
😗💸

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Cuy is a traditional dish from the Andes, especially Peru and Ecuador. It is made from guinea pig, which is roasted or fried and often served with potatoes and vegetables.
🐹 🇵🇪 🇪🇨 🍽️

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#Cuy #AndeanFood #PeruvianFood #FoodCulture