Body
How many times round the earth would all your blood vessels cover?
If laid end to end, the blood vessels in your body would stretch around the Earth nearly 2.5 times.
How much of the earth is covered with land?
29% - About 71% of Earth's surface is covered by water.
How much of the universe is believed to be dark energy?
Approximately 68% of the universe is composed of dark energy, a mysterious force driving the accelerated expansion of the universe.
Other than for camouflage, what other reason does a chameleon's colour change?
Chameleons can change their skin color for camouflage, communication, and temperature regulation.
What's it called when you're afraid of bananananas?
There is a rare phobia called bananaphobia, where people are afraid of bananas.
What metal is the same density as our bones, yet only 1/5th as strong?
Human bones are about five times stronger than steel of the same density.
How deep is the deepest point in the ocean?
The deepest point in the ocean is the Mariana Trench, which reaches a depth of about 11,034 meters (36,201 feet).
How heavy is a sugar-cube sized chunk of a neutron star?
Neutron stars are incredibly dense remnants of supernova explosions. A sugar-cube-sized amount of neutron-star material would weigh about a billion tons on Earth.
How long can an emperor penguin hold its breath for?
Emperor penguins can dive to depths of over 500 meters and hold their breath for up to 20 minutes.
Why do iguanas sneeze?
Iguanas sneeze more often than any other animal. They sneeze to get rid of excess salt in their bodies.
How long do taste buds live for?
Your taste buds are replaced every 10 to 14 days.
What does earth's magnetic field protect us from?
Earth has a magnetic field that protects us from harmful solar radiation.
How many suns would it take to make the largest black hole?
The largest known black hole, TON 618, has a mass of 66 billion times that of the Sun.
Can a hummingbird fly backwards?
Yes, Hummingbirds are the only birds that can fly backwards, thanks to their unique wing structure.
How does a penguin propose?
Male penguins propose to females by giving them a pebble. If the female accepts, they use the pebble to build a nest.
How much electricity does your brain generate?
Your brain generates about 12-25 watts of electricity, which is enough to power a small light bulb.
How many species of plants and animals are estimated to call Earth home?
Earth is home to an estimated 8.7 million species of plants and animals, with many yet to be discovered.
How fast does the ISS travel?
The International Space Station (ISS) orbits Earth and travels at a speed of approximately 28,000 kilometers per hour (17,500 miles per hour).
How fast can a cheetah run?
Cheetahs are the fastest land animals, capable of reaching speeds up to 70 miles per hour (112 kmph) in short bursts covering distances up to 500 meters.
Can rat's laugh?
Rats can laugh when they are tickled, and they even make a high-pitched sound that is similar to giggling.
How many functions does your liver perform?
Over 500, including detoxification, protein synthesis, and the production of biochemicals necessary for digestion.
What's the diameter of Earth?
Earth has a diameter of about 12,742 kilometers (7,918 miles).
What's the diameter of the observable universe?
Space is incredibly vast and largely empty. The observable universe is about 93 billion light-years in diameter.
How many times its body weight can an ant lift?
Ants can lift and carry objects up to 50 times their own body weight.
Do goats have accents?
Goats have different accents depending on where they are from, much like humans.