Mad Cow Milk
Can mad cow disease be transmitted through milk? (no, tests show prions aren't found in milk)
Sharks and Sea Lions
Sharks outcompete sea lions for a limited supply of fish in the north Pacific Ocean
Tiled Tunnels
Why are tunnels always tiled? (easier to clean because soot doesn't penetrate the glazing)
Laughter and Pain
Laughing at funny videos helps relieve pain in children.
Old Memories
Memory loss due to aging can be overcome with a common memorization technique.
Cat Antidepressant
Testing an antidepressant drug's ability to calm anxious cats