One simple screening tool for cognitive impairment is the clock-drawing test (CDT): the patient is provided with a printed ...

In a grandfather clock, a pendulum swings back and forth and this periodic motion is maintained using the energy stored in ...

And honestly, you can humbly claim "genius" for even knowing they exist.

Volcanic crystals carry chemical gradients that fade at a known rate once magma cools or mixes. That fading preserves a crystal eruption timeline – one of volcanology’s most reliable timing tools, ...