One difference between chimpanzees and monkeys
A chimpanzee can learn to recognize itself in a mirror, but monkeys can't.
Mirror facts and facts about mirrors.
12 facts on this shelf
A chimpanzee can learn to recognize itself in a mirror, but monkeys can't.
One twin is always born healthier and bigger then the other because of the unbalanced distribution of nutrients during pregnancy. Some identical twins are actual mirror images of each other, e.g. one will be right-handed the other left or one is near sighted the other far sighted etc.
In a 2006 study, an Asian elephant named Happy at the Bronx Zoo recognized herself in a mirror. That puts elephants in a small club of animals that pass the mirror self-recognition test.
A 2001 study showed that bottlenose dolphins can recognize themselves in a mirror, a sign of self-awareness that very few animals have shown.
Leonardo da Vinci filled his notebooks with mirror writing that reads right to left, along with sketches of flying machines, anatomy, and inventions far ahead of his time.
Isaac Newton built the first practical reflecting telescope in 1668, using a curved mirror instead of lenses to gather light.
After the Hubble Space Telescope launched in 1990, scientists discovered that its main mirror was slightly misshapen. Astronauts fixed it with corrective optics in 1993.
The James Webb Space Telescope, launched on December 25, 2021, has a 6.5-meter mirror made of 18 gold-coated beryllium segments.
The Extremely Large Telescope being built in Chile's Atacama Desert will have a main mirror about 39 meters across, which will make it the largest optical telescope in the world.
Frida Kahlo painted while bedridden using a mirror mounted above her bed.
A 2016 study suggested manta rays may recognize themselves in a mirror.
Apollo astronauts left mirrors on the Moon that scientists still bounce lasers off to measure its distance.