Hearing Loss
Why is your hearing dull or muffled after a loud concert? (because there's some damage after …
Phone
Lead and Learning
How lead can limit the learning abilities of children, as shown in rats
Alzheimer’s Vaccine
A vaccine for Alzheimer's disease is beginning the first phase of human trials.
Calorie Burning
How are daily calorie requirements calculated? (Using a formula or by measuring metabolic rate)
Elephant Grass
Using a bamboo-like plant called elephant grass as a filler for biodegradeable plastics
Humor on the Brain
MRI scans show the parts of the brain stimulated by different types of jokes.
Self-Healing Materials
A synthetic material can heal itself when it's cracked or broken.
Cancer Vaccines
Why can't you treat cancer with a cancer vaccine? (Researchers are working on treatments.)
Calorie Counting
Are calories in food counted with a calorimeter? (not really, conversion factors are used)