All facts — Page 27
The complete ONAURE library, newest first. Every fact has an explanation and a source you can check.
2056 facts
The wood frog freezes almost solid in winter and thaws in spring.
Its heart stops and breathing ceases while the body produces large amounts of glucose, which acts as a natural…
The human nose can distinguish at least one trillion different scents.
Recent studies have shown that our olfactory system is much more complex than previously thought. By testing various…
The human stomach renews its entire lining every few days.
Gastric acids are so strong they would corrode the organ itself if it weren't for rapid cell regeneration. The cells…
The cashew shell contains a toxic oil similar to poison ivy.
That is why cashews are always sold shelled. The shell contains anacardic acid, which can cause severe skin burns and…
In the Norwegian town of Longyearbyen, it is illegal to die.
Due to the permafrost, bodies buried in the local cemetery do not decompose and can preserve dangerous viruses…
Mount Thor in Canada has the greatest vertical drop of any cliff on Earth.
The face of this granite peak on Baffin Island drops abruptly 1250 meters without interruption. It is a purely…
The Diomede Islands are less than 4 km apart but separated by 21 hours.
The International Date Line passes exactly between Big Diomede in Russia and Little Diomede in the US. This means…
The Romans used urine to whiten teeth and wash clothes.
Urine decomposes into ammonia, a very effective cleaning and bleaching agent. It was so valuable that Emperor…
There is a fungus that mind-controls ants and forces them to climb plants.
The Ophiocordyceps fungus infects the ant's nervous system, forcing it to climb to an ideal height. There, it kills…
The baobab tree can store up to 120,000 liters of water in its trunk.
The spongy wood of this African tree's trunk absorbs and retains water during the rainy season. This giant reserve…
Bamboo is the fastest-growing plant on the entire planet.
Some species of bamboo can grow up to 91 centimeters in a single day. This means you can actually see it growing with…
Lightning strikes the Earth about 100 times every second.
Satellites monitor storms across the globe and calculate that about 8 million electrical discharges occur per day…
An average-sized cloud can weigh over 500,000 kilograms.
Despite looking light and fluffy, clouds are made of millions of tiny water droplets. Their density is very low and…
Under certain conditions, hot water freezes faster than cold water.
This paradox is known as the Mpemba effect. Although the physics behind the phenomenon is still debated, factors like…
Francium is so unstable that there is likely less than 30 grams of it in the Earth's crust at any given moment.
The most stable isotope of francium has a half-life of only 22 minutes. It rapidly decays into other elements…
A teaspoon of a neutron star would weigh about 6 billion tons.
Neutron stars are the collapsed cores of massive stars. Gravity crushes matter so forcefully that protons and…
There is a giant cloud of alcohol at the center of the Milky Way.
The Sagittarius B2 molecular cloud contains massive amounts of ethyl alcohol. It spans thousands of light-years and…
A grasshopper's heart is located in its abdomen.
Unlike humans, insects have an open circulatory system, and the grasshopper's tubular heart pumps hemolymph along its…
A group of toads is collectively called a knot.
This collective term reflects the behavior of toads clustering tightly together, especially during hibernation or in…
A blue whale's heartbeat can be detected from over three kilometers away.
Due to the enormous size of its heart, the sound of the heartbeat is so powerful that scientists can hear it through…
The male anglerfish is much smaller than the female and permanently fuses to her body.
After finding a female, the male bites her and releases an enzyme that fuses their tissues, becoming an appendage…
A tiger's skin is striped, not just its fur.
The stripes on a tiger's skin are unique to each individual, much like human fingerprints, and remain visible even if…
An elephant's pregnancy lasts for about twenty-two months, the longest of any mammal.
This long gestation period allows the baby elephant's brain to develop sufficiently so that the calf is born with…
A dolphin's sonar is so powerful it can stun or kill small fish.
Dolphins emit high-frequency clicks that create pressure waves capable of disorienting or even incapacitating small…