The lump you feel in your throat when you’re nervous or crying is an autonomic response to stress that expands the glottis in an attempt to provide you with more oxygen.

#General_knowledgeTM

The speed record for cars in general was set in 1997 when British racing driver Andy Green drove the Thrust SSC jet to 1,227 km/h, breaking the sound barrier.

#General_knowledgeTM

Saliva contains the protein histatin, which heals wounds.

#General_knowledgeTM

If you eat a piece of bread and butter that contains 315,000 joules (315 kilojoules) of energy, you would have enough energy to walk or ride a bicycle for 15 minutes, jump for 6 minutes, or sleep for 1.5 hours. 315 kilojoules of energy would be enough for a 60 watt light bulb to burn for 1.5 hours, for a car to travel at 80 kilometers per hour for 7 seconds.

#General_knowledgeTM

The wristwatch was originally worn by women, only becoming accepted as a men's accessory over a century later due to the need for efficient, one-handed timekeeping by pilots and soldiers.

#General_knowledgeTM

When the brain lacks food, it slowly shuts down self-control processes.

#General_knowledgeTM

A person who weighs 45 kilograms on Earth would weigh approximately 3 kilograms on Pluto.

#General_knowledgeTM

The throat of a blue whale, the largest animal on Earth, has a diameter of only 10-20 cm.

#General_knowledgeTM

Veronica Seider, a German born in 1951, reportedly had visual acuity around 20/2-about 20 times better than average- allowing her to identify people over a mile (1.6 km) away.

This earned her a Guinness World Record for smallest visible object.

#General_knowledgeTM

Termites are being researched as a possible renewable energy source because their gut microbes can produce up to 2 liters of hydrogen from ingesting a single sheet of paper, making them one of the planet's most efficient bioreactors.

#General_knowledgeTM

Ants alone comprise about 20% of the entire animal biomass on land, totalling around 20 quadrillion. They outweigh all mammals and birds on Earth, combined.

#General_knowledgeTM

Here’s how Apple’s base iPhone models evolved in chipset power from 2019 to 2025. 📱💻📈

Which one was your first iPhone from this list? 👇🤔📱

@news_apple

A person has about 2 million sweat glands.

The average adult loses 540 calories with every liter of sweat.

Men sweat approximately 40% more than women.

#General_knowledgeTM

If you give up sugar, your taste buds will improve.

#General_knowledgeTM

Cats are so farsighted that they can see almost nothing at close range

#General_knowledgeTM

Listening to music during training increases performance by 20%. This effect can be compared to doping.

#General_knowledgeTM

Vikings sold narwhal tusks as unicorn horns for centuries during medieval times, cementing European belief in unicorns and leading to the characteristic portrayal of unicorns having long, spiraling horns.

#General_knowledgeTM

🏔 In Switzerland, there is a hotel located at the highest point in Europe — at the summit of the Matterhorn.

#General_knowledgeTM

Glass has been recycled for almost 3,000 years. It never wears out as a raw material. Just one recycled clear glass bottle saves enough energy from the manufacturing process to light a 100-watt bulb for four hours.

#General_knowledgeTM