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
Car Shock
Why do I get a shock when I get in my car? (static charge builds up and conducts through you)
Wound Healers
Using a special microscope to see how wound-healing fibroblasts reshape their environment
Holey Plants
Plants lose photosynthesis in areas beyond those chewed by insects