Image by Gerd Altmann from Pixabay
Black Holes Can Stretch Time
Black holes are so powerful that they can stretch time near their event horizon. This phenomenon is called 'time dilation,' where time slows down the closer you get to the black hole.
Image by OpenClipart-Vectors from Pixabay
Octopuses Have Three Hearts
Octopuses have three hearts. Two pump blood to the gills, and one pumps it to the rest of the body. Interestingly, the third heart stops beating when they swim.
Zebras Are Born With Brown Stripes
Zebra foals are born with brown stripes, which darken and turn black as they grow older. This helps camouflage them in the wild when young.
Plants Can Hear Their Environment
Recent studies suggest plants can 'hear' their environment. For example, they respond to the sound of running water and can react to vibrations caused by insects.
The Internet Weighs About as Much as a Strawberry
The entire internet, if converted into electrons, would weigh about as much as a strawberry! This calculation is based on the energy required to store and transmit digital information.
Image by Walkerssk from Pixabay
The Great Pyramids Were Once Shiny
The Great Pyramids of Giza were originally covered in polished limestone, which reflected sunlight and made them shine like massive jewels in the desert.
Image by Daniela Dimitrova from Pixabay
Sleep Helps Remove Brain Waste
During sleep, the brain clears out toxins that build up during the day. This cleansing process is crucial for maintaining cognitive function and memory.
A Day on Venus Is Longer Than Its Year
Venus has a slow rotation, taking 243 Earth days to complete a single day. Surprisingly, this is longer than its year, which takes 225 Earth days.
Image by AlKalenski from Pixabay
Antarctica Is the World's Largest Desert
Antarctica, despite being covered in ice, is the world's largest desert because it receives less than 2 inches of precipitation annually.
Image by Eric Simon from Pixabay
The First Airplane Wasn't Built in a Garage
The Wright brothers built their first airplane in a bicycle shop, not a garage. Their innovative design revolutionized human transportation forever.