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Personalized Smell

October 20, 2003

Different combinations of genes make people sensitive to different smells.

October 17, 2003

A moldable material made out of hemp fiber, and making superfine threads out of cotton waste.

October 16, 2003

How do you count a tree's rings without cutting it down? (Take a core sample.)

October 15, 2003

An artificial retina based on the eye of the octopus

October 14, 2003

Why does the cheese taste funny in reheated pizza? (Moisture loss changes its texture.)

October 13, 2003

Spawning salmon bring pollutants called PCBs into the freshwater lakes of Alaska.

October 10, 2003

Caffeine relieves the muscle pain of exercise, and music eases pain during childbirth.

October 9, 2003

Associations between images and food formed in the brain change depending on hunger.

October 8, 2003

A fuel cell that uses bacteria to convert sugars into electricity

October 7, 2003

Why does it smell fresh after it rains? (Ozone from lightning and bacteria in soil)

October 6, 2003

Developing a flu vaccine that will protect long-term

October 3, 2003

The coldest temperature ever achieved, and cheap solar panels.