US Daily Quiz — 9 April 2026

In the news recently...

Accused Gilgo Beach serial killer Rex Heuermann changed his plea to guilty and admitted to murdering how many women?
💡 Eight
Teenage shortstop Konnor Griffin signed a nine-year, $140 million contract with which MLB franchise?
💡 Pittsburgh Pirates

Mixed bag

When steam fogs up a bathroom mirror or morning dew forms on blades of grass, what is the name of the process by which water vapor cools and transforms back into liquid water?
💡 Condensation
Explaining everything from why ice melts in a warm drink to why the universe drifts inexorably toward disorder, which law of thermodynamics states that the total entropy of an isolated system can never decrease over time?
💡 Second law of thermodynamics

On this date (9 April)

On April 9, 1865, Confederate General Robert E. Lee surrendered to Union General Ulysses S. Grant at a courthouse in which Virginia town, effectively ending the Civil War?
💡 Appomattox
On April 9, 1959, NASA announced the selection of its first group of astronauts, who became known by what two-word nickname?
💡 Mercury Seven
On April 9, 1413, which English king was crowned at Westminster Abbey, later immortalized in a Shakespeare play bearing his name?
💡 Henry V