Sharks don't have bones. They are a special type of fish known as "elasmobranchs", which translates into fish made of cartilaginous tissues. Even though sharks don't have bones, they still can fossilize. As most sharks age, they deposit calcium salts nudes
Bite the Bullet: This phrase is believed to originate from the days before modern anesthesia when soldiers were given bullets to bite on during surgery to cope with extreme pain. This practice allowed them to focus on something else during painful proced
Thanksgiving did not become a national holiday in the United States until the fall of 1863 when President Abraham Lincoln issued a proclamation declaring that the last Thursday in November would be a day of national thanksgiving.
A study shows up to 30% of Sun-like stars may engulf planets, altering their metallicity. These "polluted" stars suggest rocky planets are destroyed during orbital decay. Ultra-short-period planets in compact systems are key to understanding this pheno
Earth’s magnetic poles flip roughly every 200k to 300k years, but the last reversal was about 780k years ago. Some scientists think we’re overdue, but the timing is unpredictable and could take thousands of years. A flip might disrupt technology and
Researchers are developing a lunar distress system based on Earth’s COSPAS-SARSAT rescue tech to aid Artemis astronauts. Using a satellite network, it will transmit emergency alerts and track locations in remote areas like the Moon's south pole, enhan
Turn a Blind Eye: This phrase is attributed to Admiral Horatio Nelson during the Battle of Copenhagen in 1801. Nelson, who was blind in one eye, reportedly ignored a signal to retreat by lifting his telescope to his blind eye, thus "not seeing" the com
