Power Cord in Space
Geocentric spacecraft may one day be propelled by a tether that dangles into the earth's magnetic …
Phone
Stealth Bugs
Bacteria in the gut cover themselves with sugar-- perhaps to avoid detection of the immune system
Boarding Pass Bomb Detector
A mass spectrometer that can scan boarding passes for explosive materials from passengers
Cooling Headaches
A method to stop migraines by cooling down an area of the mouth.
Therapeutic Eggs
The first steps in genetically engineering chickens to produce protein-based medicines in eggs
Ultrasound Surgery
Using ultrasound to diagnose and treat internal injuries
Cold Mountain Air
If hot air rises, why is it colder at the top of mountains? (because hot air cools as it rises)
Radioactive Sub
The nuclear material from the sunken Kursk submarine doesn't seem to be contaminating the …
All Species Inventory
A 25-year effort to discover, identify, and catalog every living species on Earth.
Billiard Break
Is it possible to sink all the billiard balls on the break shot? (Highly improbable)
Killifish and Pollution
Killifish in a river contaminated with creosote have adapted to the pollution.
Fluorescent Lights
Why aren't fluorescent bulbs used in headlights or spotlights? (Can't focus them as well)