Daily True or False
May 27, 2026

Orazio Gentileschi was a prominent Baroque painter who trained Artemisia in his workshop and later worked alongside her in London.

Hammerhead sharks are strictly marine and cannot tolerate freshwater. Only a few shark species, like the bull shark, can survive in rivers and lakes.

This is false; Ibn Sina (Avicenna) made no such discovery. The fact that light travels faster than sound was observed since antiquity (e.g., lightning before thunder). The first measurement of light's speed was by Ole Rømer in 1676.

Calder earned a degree in mechanical engineering from Stevens Institute of Technology in 1919 before pursuing art.

Saltwater crocodile has no venom glands. Its bite relies on immense crushing force, not toxins, to subdue prey.

Saltwater crocodiles are known to use their powerful tails to propel themselves vertically out of the water, enabling them to snatch prey such as birds from overhanging branches.

The famous experiment is a myth. Historians agree Galileo likely used inclined planes for motion studies, and the tower story was popularized posthumously by his student Viviani without contemporary evidence.

Norman Rockwell produced 322 covers for The Saturday Evening Post over 47 years, from 1916 to 1963, making him the magazine's most famous cover artist.

Hiroshige's family were low-ranking samurai, but his role was as a fire warden, not a warrior. He never served as a soldier or swordsman.

Hammerhead sharks have a 360-degree vertical field of vision, not horizontal. Their horizontal field is about 182 degrees, with a blind spot directly behind.