Daily True or False
July 17, 2026

He was born Giovanni Caboto in Genoa or Venice and later anglicized his name when serving under King Henry VII of England.

Saltwater crocodile possesses lingual salt glands that expel excess salt, enabling it to thrive in saltwater environments without dehydration.

False. Chinese astronomers recorded sunspots earlier. Galileo correctly argued they were on the Sun, but Thomas Harriot and others observed them around the same time.

Stick insects can change color slowly over days or weeks due to humidity, temperature, or background, but not instantly. Their camouflage relies on static appearance, not rapid color change.

Norman Rockwell was born on February 3, 1894, in New York City, New York, not in Paris.

Tarantulas can regenerate lost legs gradually through molting. A missing limb may reappear smaller and return to full size over successive molts.

Hammerhead sharks have a wide cephalofoil that they use to pin stingrays down, immobilizing them. This is a documented hunting technique observed in several species.

Picasso died on April 8, 1973, at age 91. He did not reach 100.

Saltwater crocodile can only manage short bursts of about 10 miles per hour on land. Claims of 25 mph are exaggerated; they are faster in water.

Fleming returned from vacation in 1928 to find mold (Penicillium notatum) had killed surrounding bacteria—a lucky accident that changed medicine.