Drug Cravings
Drug cravings are triggered by dopamine released in the brain --- similar to the high users get from …
Deep Universe
How far away can scientists see into the universe? (about 13 billion light years away)
Redheads and Pain
Redheaded women have a gene that helps some analgesics work better, and men and women process pain …
Eco-Disease Roundup
Biodiversity better for human health; SARS came from people who ate civet cats; eating bats causes …
Losing Smell
Some olfactory genes in humans don't work -- meaning we've lost some of our ability to smell
Petrified Wood
What exactly is petrified wood? (it's a fossilized tree [or part of one] -- where the wood has been …
Disease Roundup
Failure to raise enough funds to fight malaria, and a bioengineered virus for treating brain cancer.
Morphing Planes
NASA's Morphing Project is working on planes that can adapt to changing flight conditions.
Antibacterial Pollution
The antibacterial compound Triclosan converts into a dioxin, which is toxic to plants and animals.
Firefly Flashes
Male fireflies that are better able to reproduce have longer flashes, and females can tell.