The mantis shrimp has 16 color receptive cones. To compare this, a dog only has 2 and humans only have 3. Where we see a rainbow, a mantis shrimp sees thousands of different more colors.
Also, the mantis shrimp taught Bruce Lee the 1 inch punch, as it's limbs move at a speed so quick it literally boils the water around it, and even produces tiny bursts of light, making it one of the most deadliest animals on earth.
Yellowjackets are more aggressive than other stinging insects such as wasps, hornets, mud daubers or bees. Yellowjackets can sting and bite. Since they don't lose their stinger, they can sting numerous times, and will do so unprovoked.
There is a 50-square mile area in Yellowstone National park which is in Idaho, but claimed by Wyoming. Legal professors agree that it would be impossible to form a jury of people who live in this jurisdiction, making any crime that takes place there completely unprosecutable.
When there was a cotton shortage during World War I, Kimberly-Clark developed a thin, flat cotton substitute that the army tried to use as a filter in gas masks. The war ended before scientists perfected the material for gas masks, so the company redeveloped it to be smoother and softer, then marketed Kleenex as facial tissue instead.
In a study of 200,000 ostriches over a period of 80 years, no one reported a single case where an ostrich buried its head in the sand.
The original oranges from Southeast Asia were a tangerine-pomelo hybrid, and they were actually green. In fact, oranges in warmer regions like Vietnam and Thailand still stay green through maturity.
The longest English word is 189,819 letters long. It would take you three and a half hour to say it out loud. You can read it here.
Did you know that there are 206 bones in the adult human body and there are 300 in children (as they grow some of the bones fuse together).
A human organ that no-one knew about has been hiding in plain sight all this time. Called mesentery, it connects the intestine to the abdomen and is believed to perform important functions for the body ranging from helping the heart to aiding the immune system.
For the first time in human history, gene-editing has been performed to fix a mutation for an inherited disease in embryos. Using a powerful tool called Crispr-Cas9, scientists successfully altered the DNA in defective embryos so they were no longer programmed to develop congenital heart failure.